How can write a program in C# for Simple Interest ?

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;



namespace ConsoleApplication6

{

    class Program

    {

        static void Main(string[] args)

        {

            int P, T;

            float R, SI;

            Console.Write("Enter Amount :");

            P = Convert.ToInt32(Console.ReadLine());

            Console.Write("Enter Rate :");

            R = Convert.ToSingle(Console.ReadLine());

            Console.Write("Enter Time(in Year) :");

            T = Convert.ToInt32(Console.ReadLine());

            SI = P * R * T / 100;

            Console.WriteLine("Simple Interest is :{0}", SI);

            Console.ReadKey();

        }

    }

}