using System;
public class Program
{
public static void Main()
class GFG
static float Calculate_GST(float org_cost,
float N_price)
// return value after calculate GST%
return (((N_price - org_cost) * 100)
/ org_cost);
}
// Driver code
public static void Main ()
float org_cost = 100;
float N_price = 120;
Console.Write(" GST = " + Calculate_GST
(org_cost, N_price) + "%");