REVISED FORM 2

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 HOA6
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            if (radioButton1.Checked)
            {
                Class1.gen_ad += 1;
                Class1.total_bill += 100;
            }
            if (radioButton2.Checked)
            {
                Class1.lower_box += 1;
                Class1.total_bill += 200;
            }
            if (radioButton3.Checked)
            {
                Class1.patron += 1;
                Class1.total_bill += 350;
            }

            if (Class1.discount_rate == 10)
            {
                Class1.final_bill = Class1.total_bill*.9;
            }
            else
            {
                Class1.final_bill = Class1.total_bill;
            }

            Hide();
            Form1 s = new Form1();
            s.Show();
        }
    }
}