diff --git a/src/core/marketplace.cpp b/src/core/marketplace.cpp
index d59b281..818e614 100644
--- a/src/core/marketplace.cpp
+++ b/src/core/marketplace.cpp
@@ -134,4 +134,26 @@ void Marketplace::removeSale(boost::uuids::uuid uuid)
     sales_.erase(std::remove_if(sales_.begin(), sales_.end(),
                                 [&uuid](const auto& a) { return a->getUuid() == uuid; }),
                  sales_.end());
+}
+
+double marketFee(int sum, int percent, int maxFee)
+{
+    int fee = (sum * percent) / 100.0L;
+    return fee > maxFee ? maxFee : fee;
+}
+
+std::string marketFeeAsString(int sum, int percent, int maxFee)
+{
+    std::stringstream feeStream;
+    feeStream << std::right << std::setw(12) << std::showbase
+              << std::put_money(marketFee(sum, percent, maxFee), false);
+    return feeStream.str();
+}
+
+std::string paymentAsString(int sum, int percent)
+{
+    std::stringstream feeStream;
+    feeStream << std::right << std::setw(12) << std::showbase
+              << std::put_money(sum - marketFee(sum, percent), false);
+    return feeStream.str();
 }
\ No newline at end of file
diff --git a/src/core/marketplace.h b/src/core/marketplace.h
index ce27420..7bddb72 100644
--- a/src/core/marketplace.h
+++ b/src/core/marketplace.h
@@ -47,4 +47,8 @@ class Marketplace
     BasketVec basket_;
 };
 
+double marketFee(int sum, int percent, int maxFee = 5000);
+std::string marketFeeAsString(int sum, int percent, int maxFee = 5000);
+std::string paymentAsString(int sum, int percent);
+
 #endif
\ No newline at end of file
diff --git a/src/core/seller.cpp b/src/core/seller.cpp
index 82aaa6b..61e48ef 100644
--- a/src/core/seller.cpp
+++ b/src/core/seller.cpp
@@ -1,5 +1,9 @@
 #include "seller.h"
 
+#include <numeric>
+#include <sstream>
+#include <iomanip>
+
 Seller::Seller(const std::string& firstName, const std::string& lastName, int sellerNo,
                int numArticlesOffered)
     : Entity()
@@ -80,6 +84,20 @@ void Seller::cleanupArticles()
     }
 }
 
+int Seller::sumInCents()
+{
+    int sum = std::accumulate(articles_.begin(), articles_.end(), 0,
+                              [](int a, const auto& b) { return a + b->getPrice(); });
+    return sum;
+}
+
+std::string Seller::sumAsString()
+{
+    std::stringstream sumStream;
+    sumStream << std::right << std::setw(12) << std::showbase << std::put_money(sumInCents(), false);
+    return sumStream.str();
+}
+
 // int Seller::numArticlesTotal() const { return static_cast<int>(getArticles().size()); }
 
 bool operator<(const Seller& li, const Seller& re) { return li.sellerNo_ < re.sellerNo_; }
diff --git a/src/core/seller.h b/src/core/seller.h
index c51bccb..b46a055 100644
--- a/src/core/seller.h
+++ b/src/core/seller.h
@@ -34,6 +34,8 @@ class Seller : public Entity
     std::vector<Article*> getArticles(bool onlySold = true) const;
     Article* getArticleByUuid(const std::string& uuidString);
     int getMaxArticleNo() const;
+    int sumInCents();
+    std::string sumAsString();
 
     friend bool operator<(const Seller& li, const Seller& re);
     friend bool operator<(const std::unique_ptr<Seller>& li, const std::unique_ptr<Seller>& re);
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 9770d58..f3d9914 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -19,6 +19,9 @@ set(GUI_SOURCES
     pricedialog.ui
     basketmodel.cpp
     salemodel.cpp
+    reportdialog.cpp
+    reportdialog.ui
+    reportmodel.cpp
 )
 
 add_executable(kima2 ${GUI_SOURCES})
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index f79a472..ca0dd6c 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -2,6 +2,7 @@
 
 #include "basketmodel.h"
 #include "pricedialog.h"
+#include "reportdialog.h"
 #include "salemodel.h"
 #include "sellerdialog.h"
 
@@ -47,6 +48,7 @@ MainWindow::MainWindow()
     connect(static_cast<BasketModel*>(ui_.basketView->model()), &BasketModel::basketDataChanged,
             static_cast<SaleModel*>(ui_.salesView->model()), &SaleModel::onBasketDataChanged);
     connect(ui_.aboutQtAction, &QAction::triggered, this, &MainWindow::onAboutQt);
+    connect(ui_.reportAction, &QAction::triggered, this, [=]() { ReportDialog(this).exec(); });
 }
 
 void MainWindow::onActionEditSellerTriggered()
diff --git a/src/gui/mainwindow.ui b/src/gui/mainwindow.ui
index dfd7810..80b52d6 100644
--- a/src/gui/mainwindow.ui
+++ b/src/gui/mainwindow.ui
@@ -385,7 +385,7 @@ drucken</string>
      <x>0</x>
      <y>0</y>
      <width>817</width>
-     <height>14</height>
+     <height>24</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_Datei">
@@ -409,8 +409,15 @@ drucken</string>
     <addaction name="aboutAction"/>
     <addaction name="aboutQtAction"/>
    </widget>
+   <widget class="QMenu" name="menuExtras">
+    <property name="title">
+     <string>&amp;Extras</string>
+    </property>
+    <addaction name="reportAction"/>
+   </widget>
    <addaction name="menu_Datei"/>
    <addaction name="menu_Edit"/>
+   <addaction name="menuExtras"/>
    <addaction name="menuHilfe"/>
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
@@ -443,6 +450,11 @@ drucken</string>
     <string>Über Qt</string>
    </property>
   </action>
+  <action name="reportAction">
+   <property name="text">
+    <string>Auswertung</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>
diff --git a/src/gui/reportdialog.cpp b/src/gui/reportdialog.cpp
new file mode 100644
index 0000000..9d5e9e2
--- /dev/null
+++ b/src/gui/reportdialog.cpp
@@ -0,0 +1,12 @@
+#include "reportdialog.h"
+
+#include "mainwindow.h"
+
+ReportDialog::ReportDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(parent, f)
+{
+    ui_.setupUi(this);
+    market_ = dynamic_cast<MainWindow*>(parent)->getMarketplace();
+    model_ = std::make_unique<ReportModel>(market_, ui_.reportView);
+    ui_.reportView->setModel(model_.get());
+    ui_.reportView->hideColumn(0);
+}
\ No newline at end of file
diff --git a/src/gui/reportdialog.h b/src/gui/reportdialog.h
new file mode 100644
index 0000000..987cf73
--- /dev/null
+++ b/src/gui/reportdialog.h
@@ -0,0 +1,26 @@
+#ifndef REPORT_DIALOG_H
+#define REPORT_DIALOG_H
+
+#include "ui_reportdialog.h"
+
+#include "reportmodel.h"
+
+#include <marketplace.h>
+
+#include <QDialog>
+
+class ReportDialog : public QDialog
+{
+    Q_OBJECT
+
+  public:
+    ReportDialog(QWidget* parent = nullptr,
+                 Qt::WindowFlags f = Qt::WindowTitleHint | Qt::WindowSystemMenuHint);
+
+    private:
+    Ui::ReportDialog ui_;
+    Marketplace* market_;
+    std::unique_ptr<ReportModel> model_;
+};
+
+#endif
\ No newline at end of file
diff --git a/src/gui/reportdialog.ui b/src/gui/reportdialog.ui
new file mode 100644
index 0000000..f19e7ab
--- /dev/null
+++ b/src/gui/reportdialog.ui
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ReportDialog</class>
+ <widget class="QDialog" name="ReportDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Auswertung</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QTableView" name="reportView"/>
+     </item>
+     <item>
+      <layout class="QVBoxLayout" name="verticalLayout">
+       <item>
+        <widget class="QPushButton" name="pushButton">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="text">
+          <string>Quittung drucken</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="pushButton_2">
+         <property name="text">
+          <string>Exportieren (.csv)</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="pushButton_3">
+         <property name="text">
+          <string>Übersicht drucken</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="verticalSpacer">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Close</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ReportDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ReportDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/src/gui/reportmodel.cpp b/src/gui/reportmodel.cpp
new file mode 100644
index 0000000..52d2b2b
--- /dev/null
+++ b/src/gui/reportmodel.cpp
@@ -0,0 +1,99 @@
+#include "reportmodel.h"
+
+#include <QFont>
+
+ReportModel::ReportModel(Marketplace* market, QObject* parent)
+    : QAbstractTableModel(parent), market_(market)
+{
+}
+
+int ReportModel::rowCount([[maybe_unused]] const QModelIndex& parent) const
+{
+    return static_cast<int>(market_->getSellers().size());
+}
+
+int ReportModel::columnCount([[maybe_unused]] const QModelIndex& parent) const { return 7; }
+
+QVariant ReportModel::data(const QModelIndex& index, int role) const
+{
+    if (role == Qt::FontRole) {
+        QFont myFont;
+
+        switch (index.column()) {
+        case 4:
+            [[fallthrough]];
+        case 5:
+            [[fallthrough]];
+        case 6:
+            myFont.setFamily("monospace");
+            return myFont;
+        default:
+            return myFont;
+        }
+    }
+
+    if (role == Qt::TextAlignmentRole) {
+        switch (index.column()) {
+        case 4:
+            return Qt::AlignRight;
+        default:
+            return Qt::AlignLeft;
+        }
+    }
+
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (market_->getSellers().size() == 0)
+        return QVariant();
+
+    Seller* seller = market_->getSellers().at(index.row()).get();
+
+    switch (index.column()) {
+    case 0:
+        return seller->getUuidAsString().c_str();
+    case 1:
+        return seller->getSellerNo();
+    case 2:
+        return seller->getLastName().c_str();
+    case 3:
+        return seller->getFirstName().c_str();
+    case 4:
+        return seller->numArticlesSold();
+    case 5:
+        return seller->sumAsString().c_str();
+    case 6:
+        return paymentAsString(seller->sumInCents(), 20).c_str();
+    default:
+        return "???";
+    }
+}
+
+QVariant ReportModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (orientation == Qt::Horizontal) {
+        switch (section) {
+        case 0:
+            return "ID";
+        case 1:
+            return "Nummer";
+        case 2:
+            return "Nachname";
+        case 3:
+            return "Vorname";
+        case 4:
+            return "verkauft";
+        case 5:
+            return "Umsatz";
+        case 6:
+            return "Auszahlung";
+        default:
+            return "???";
+        }
+        // return QStringLiteral("%1").arg(section);
+    } else
+        return "";
+}
\ No newline at end of file
diff --git a/src/gui/reportmodel.h b/src/gui/reportmodel.h
new file mode 100644
index 0000000..f880e03
--- /dev/null
+++ b/src/gui/reportmodel.h
@@ -0,0 +1,21 @@
+#ifndef REPORT_MODEL_H
+#define REPORT_MODEL_H
+
+#include <marketplace.h>
+
+#include <QAbstractTableModel>
+
+class ReportModel : public QAbstractTableModel
+{
+  public:
+    explicit ReportModel(Marketplace* market, QObject* parent = nullptr);
+    virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+    virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
+    virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+    virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+
+  private:
+    Marketplace* market_;
+};
+
+#endif
\ No newline at end of file