using System;

​

public class Program

{

    public static void Main()

    {

        string qty = "150";

        string price = "1.95";

        decimal uplft = Convert.ToDecimal(25) / 100;

        Console.WriteLine("Unit Increment: " + uplft);

        decimal BilledAmt = (Convert.ToDecimal(price) * (1 + uplft));       

        Console.WriteLine("Billed Amount: " + BilledAmt.ToString("0.00"));

        decimal Quantity = Convert.ToDecimal(qty);

        Console.WriteLine("Unit: " + Quantity);

        decimal BilledTtl = Convert.ToDecimal(Quantity * BilledAmt);

        Console.WriteLine(BilledTtl);

    }

}