added comparing offers, fixed minor stupidity

QuantitativerAngebotsvergleich/QuantitativerAngebotsvergleich/MainForm.cs

@@ -59,6 +59,16 @@ namespace QuantitativerAngebotsvergleich
             offersTablePanel.Controls.Add(labelDeliveryFee, 0, 7);
             offersTablePanel.Controls.Add(labelPriceDelivered, 0, 8);
 
+            Offer cheapestOffer = null;
+
+            foreach (Offer offer in Offers)
+            {
+                if (cheapestOffer == null || offer.PriceDelivered < cheapestOffer.PriceDelivered)
+                {
+                    cheapestOffer = offer;
+                }
+            }
+
             // iterate through all offers and create controls and add them
             for (int i = 0; i < Offers.Count; i++)
             {
@@ -66,8 +76,6 @@ namespace QuantitativerAngebotsvergleich
                 Offer offer = Offers[i];
                 offer.offerId = i;
 
-
-
                 // save column number
                 int colNumber = i + 1;
 
@@ -84,6 +92,11 @@ namespace QuantitativerAngebotsvergleich
                 Label labelShowDeliveryFee = new() { Text = FormatCurrency(offer.DeliveryFee) };
                 Label labelShowPriceDelivered = new() { Text = FormatCurrency(offer.PriceDelivered) };
 
+                if (offer == cheapestOffer)
+                {
+                    labelShowPriceDelivered.BackColor = Color.Green;
+                }
+
                 Console.WriteLine("Adding Controls to Column {0}, ColumnCount is {1}", colNumber, offersTablePanel.ColumnCount);
 
                 labelShowTitle.MinimumSize = labelShowTitle.GetPreferredSize(default);

QuantitativerAngebotsvergleich/QuantitativerAngebotsvergleich/Offer.cs

@@ -23,6 +23,6 @@ namespace QuantitativerAngebotsvergleich
         public double PriceTargetPurchase { get => Math.Round(ListPrice - DiscountAmount, 2); }
         public double EarlyPayDiscountAmount { get => Math.Round(PriceTargetPurchase * EarlyPayDiscount, 2); }
         public double PriceEarlyPayDiscount { get => Math.Round(PriceTargetPurchase - EarlyPayDiscountAmount, 2); }
-        public double PriceDelivered { get => Math.Round(PriceTargetPurchase + DeliveryFee, 2); }
+        public double PriceDelivered { get => Math.Round(PriceEarlyPayDiscount + DeliveryFee, 2); }
     }
 }