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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 InvoiceTotal
{
public partial class frmInvoiceTotal3 : Form
{
public frmInvoiceTotal3()
{
InitializeComponent();
}
private void btnCalculate_Click(object sender, EventArgs e)
{
string customerType = txtCustomerType.Text.ToUpper();
decimal subtotal = Convert.ToDecimal(txtSubtotal.Text);
decimal discountPercent = .0m;
/* if (customerType == "R") {
if (subtotal >= 250 && subtotal < 500)
discountPercent = .25m;
else if (subtotal >= 500)
discountPercent = .3m;
else
discountPercent = .1m;
}
else if (customerType == "C")
discountPercent = .2m;
else if (customerType == "T")
if (subtotal >= 500)
discountPercent = .5m;
else
discountPercent = .4m;
else
discountPercent = .1m; */
switch (customerType) {
case "R":
if (subtotal >= 250 && subtotal < 500)
discountPercent = .25m;
else if (subtotal >= 500)
discountPercent = .3m;
else
discountPercent = .1m;
break;
case "C":
discountPercent = .2m;
break;
case "T":
if (subtotal >= 500)
discountPercent = .5m;
else
discountPercent = .4m;
break;
default:
discountPercent = .1m;
break;
}
decimal discountAmount = subtotal * discountPercent;
decimal invoiceTotal = subtotal - discountAmount;
txtDiscountPercent.Text = discountPercent.ToString("p1");
txtDiscountAmount.Text = discountAmount.ToString("c");
txtTotal.Text = invoiceTotal.ToString("c");
txtCustomerType.Focus();
}
private void btnExit_Click(object sender, EventArgs e)
{
this.Close();
}
private void frmInvoiceTotal3_Load(object sender, EventArgs e)
{
txtSubtotal.Text = "";
}
}
}
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