Question

Write a program that computes and assesses the tuition fee of the

students in one trimester, based on the given mode of payment below:

Plan (key) Discount (-) or Interest (+)

Cash (1). 10% discount

Two-Installment (2) 5% discount

Three-Installment(3) 10% interest

The target-user must use the key in selecting or choosing the mode of payment. The first input

data is the tuition fee, and the second input data is the mode of payment.

Sample input/output dialogue:

Enter tuition fee: 20,000 Input data

(Press 1 for Cash, 2 for Two-Installment, 3 for Three-Installment)

Enter mode of payment: 2 Second input data

Your total tuition fee is: 19,000 Output data

Answer 1

using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                Console.Write("Enter tuition fee: ");
                string str = Console.ReadLine();
                int amount = int.Parse(str);

                Console.WriteLine("(Press 1 for Cash, 2 for Two-Installment, 3 for Three-Installment)");
                Console.Write("Enter mode of payment:");
                str = Console.ReadLine();
                int mode = int.Parse(str);

                int result = 0;
                if (mode == 1)
                {
                    result = (int)(amount * 0.9);  // 10% discount
                }
                else if (mode == 2)
                {
                    result = (int)(amount * 0.95);  // 5% discount
                }
                else if (mode == 3)
                {
                    result = (int)(amount * 1.1);  // 10% interest
                }
                else
                {
                    Console.WriteLine("Bad mode.");
                    return;
                }

                Console.WriteLine("Your total tuition fee is: {0}", result);
            }
            catch
            {
                Console.WriteLine("Bad number.");
            }
        }
    }
}