updated broken variables;

src/main/java/temp.java

@@ -296,7 +296,7 @@ public class temp extends javax.swing.JFrame {
             //find the items index
             PriceLabel.setText("Price: " + price[index]);   
             //returns it's price.
-            cost = price[index]*quant;
+            cost = price[index]*(quant*2);
             Total.setText("Total: "+ cost);
         }
         
@@ -306,11 +306,11 @@ public class temp extends javax.swing.JFrame {
     private void quantBoxActionPerformed(java.awt.event.ActionEvent evt) {                                         
         // TODO add your handling code here:
         findItem();
-        quant = Double.parseDouble(quantBox.getSelectedItem().toString());
+        quant = Double.parseDouble(quantBox.getSelectedItem().toString()) /2;
         //find the slected item and convet it into a double
-        quantLabelchange.setText("Selected quantity: "+quant);
+        quantLabelchange.setText("Selected quantity: "+(quant*2));
         //update the display to show the quanity of item
-        cost = price[index]*quant;
+        cost = price[index]*(quant*2);
         Total.setText("Total: "+ cost);
         
     }                                        
@@ -463,9 +463,9 @@ public class temp extends javax.swing.JFrame {
                     }
                     f.write(""+price[i]+"\t");
                     //displays the price
-                    f.write((basket[i]/2)+"\t");
+                    f.write((basket[i])+"\t");
                     //this is because for some reason the basket quanity was being doubled;
-                    cost = cost + ((price[i]) * (basket[i]/2));
+                    cost = cost + ((price[i]) * (basket[i]));
 		//adds a new line to display the next item.
 		f.write("\n");
             }
@@ -475,13 +475,6 @@ public class temp extends javax.swing.JFrame {
             f.write("\n" + "Total payed: " + payed + "\n");
             f.write("\n" + "Change Given: " + (payed-cost) + "\n");
             
-            if (change >= 0){
-                f.write("\n" + "valid payment: " + true);
-            } else {
-                f.write("\n" + "valid payment: " + false);
-                f.write("\n" + "Service Denied.");
-            }
-            
             f.write("\n________________________________");
                 
             f.close();