1 files changed, 60 insertions, 0 deletions
diff --git a/software_sales/Software Sales/Form1.cs b/software_sales/Software Sales/Form1.cs
new file mode 100644
index 0000000..544828a
--- /dev/null
+++ b/software_sales/Software Sales/Form1.cs
@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Software_Sales
+{
+    public partial class softwareSales : Form
+    {
+        public softwareSales()
+        {
+            InitializeComponent();
+        }
+
+        private void calculateButton_Click(object sender, EventArgs e)
+        {
+            try {
+                const decimal PRICE = 99.00m;
+                int packages = int.Parse(packagesTextBox.Text);
+                decimal discount, cost;
+
+                if (packages > 99)
+                    discount = 0.5m;
+                else if (packages > 49)
+                    discount = 0.4m;
+                else if (packages > 19)
+                    discount = 0.3m;
+                else if (packages > 9)
+                    discount = 0.2m;
+                else
+                    discount = 0m;
+
+                cost = packages * PRICE * (1 - discount);
+
+                discountLabel.Text = discount.ToString("p0");
+                costLabel.Text = cost.ToString("c");
+            }
+            catch (Exception ex) {
+                MessageBox.Show(ex.Message);
+            }
+        }
+
+        private void button2_Click(object sender, EventArgs e)
+        {
+            packagesTextBox.Text = "";
+            discountLabel.Text = "";
+            costLabel.Text = "";
+        }
+
+        private void button3_Click(object sender, EventArgs e)
+        {
+            this.Close();
+        }
+    }
+}