diff --git a/src/guivendite/GUIVendite.form b/src/guivendite/GUIVendite.form
index 056840d..ad97162 100644
--- a/src/guivendite/GUIVendite.form
+++ b/src/guivendite/GUIVendite.form
@@ -101,14 +101,10 @@
       </Properties>
     </Component>
     <Component class="javax.swing.JTextField" name="txtPrezzo">
-      <Events>
-        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="txtPrezzoActionPerformed"/>
-      </Events>
     </Component>
     <Component class="javax.swing.JTextField" name="txtQuantita">
       <Events>
         <EventHandler event="focusGained" listener="java.awt.event.FocusListener" parameters="java.awt.event.FocusEvent" handler="txtQuantitaFocusGained"/>
-        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="txtQuantitaActionPerformed"/>
       </Events>
     </Component>
     <Component class="javax.swing.JTextField" name="txtImportoTotale">
@@ -128,16 +124,25 @@
       <Properties>
         <Property name="text" type="java.lang.String" value="Media prezzo"/>
       </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnPrezzoActionPerformed"/>
+      </Events>
     </Component>
     <Component class="javax.swing.JButton" name="btnQuantita">
       <Properties>
         <Property name="text" type="java.lang.String" value="Media quantit&#xe0;"/>
       </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnQuantitaActionPerformed"/>
+      </Events>
     </Component>
     <Component class="javax.swing.JButton" name="btnImportoTotale">
       <Properties>
         <Property name="text" type="java.lang.String" value="Tot. vendite"/>
       </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnImportoTotaleActionPerformed"/>
+      </Events>
     </Component>
   </SubComponents>
 </Form>
diff --git a/src/guivendite/GUIVendite.java b/src/guivendite/GUIVendite.java
index 2fd8bf3..f569e6b 100644
--- a/src/guivendite/GUIVendite.java
+++ b/src/guivendite/GUIVendite.java
@@ -51,13 +51,6 @@ public class GUIVendite extends javax.swing.JFrame {
 
         lblImportoTotale.setText("Importo totale");
 
-	txtPrezzo.addFocusListener(new java.awt.event.FocusAdapter() {
-            public void focusGained(java.awt.event.FocusEvent evt) {
-                txtPrezzoFocusGained(evt);
-            }
-        });
-
-
         txtQuantita.addFocusListener(new java.awt.event.FocusAdapter() {
             public void focusGained(java.awt.event.FocusEvent evt) {
                 txtQuantitaFocusGained(evt);
@@ -70,10 +63,13 @@ public class GUIVendite extends javax.swing.JFrame {
         btnAggiungi.addActionListener(this::btnAggiungiActionPerformed);
 
         btnPrezzo.setText("Media prezzo");
+        btnPrezzo.addActionListener(this::btnPrezzoActionPerformed);
 
         btnQuantita.setText("Media quantità");
+        btnQuantita.addActionListener(this::btnQuantitaActionPerformed);
 
         btnImportoTotale.setText("Tot. vendite");
+        btnImportoTotale.addActionListener(this::btnImportoTotaleActionPerformed);
 
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -148,6 +144,33 @@ public class GUIVendite extends javax.swing.JFrame {
         txtQuantita.setBackground(Color.white);
     }//GEN-LAST:event_txtQuantitaFocusGained
 
+    private void btnPrezzoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnPrezzoActionPerformed
+        double totale = 0;
+        for(Prodotto prodotto: prodotti){
+            totale += prodotto.getPrezzo();
+        }
+
+        txtPrezzo.setText(Double.toString(totale/prodotti.size()));
+    }//GEN-LAST:event_btnPrezzoActionPerformed
+
+    private void btnQuantitaActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnQuantitaActionPerformed
+        double totale = 0;
+        for(Prodotto prodotto: prodotti){
+            totale += prodotto.getQuantita();
+        }
+
+        txtQuantita.setText(Double.toString(totale/prodotti.size()));
+    }//GEN-LAST:event_btnQuantitaActionPerformed
+
+    private void btnImportoTotaleActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnImportoTotaleActionPerformed
+       double totale = 0;
+        for(Prodotto prodotto: prodotti){
+            totale += prodotto.getTotale();
+        }
+
+        txtImportoTotale.setText(Double.toString(totale));
+    }//GEN-LAST:event_btnImportoTotaleActionPerformed
+
     private double leggiCampo(javax.swing.JTextField campo){
         double valoreCampo = -1;