static public void SimpleInterest()
{
DesmondLimited Detail1 = new DesmondLimited(cus[0][0].ToString(), cus[0][1].ToString(), cus[0][2].ToString(), (decimal)cus[0][3],
(double)cus[0][4], (int)cus[0][5]);
decimal rat = Convert.ToDecimal(Detail1.R);
decimal tim = Convert.ToDecimal(Detail1.T);
Console.WriteLine($"The simple interest for {Detail1.Name} is {Convert.ToDecimal((Detail1.P*tim*rat)/100):C}");
}
static public void CompoundInterest()
{
DesmondLimited Detail2 = new DesmondLimited(cus[1][0].ToString(), cus[1][1].ToString(), cus[1][2].ToString(), (decimal)cus[0][3],
(double)cus[0][4], (int)cus[0][5]);
decimal subTotal = 0;
for (int i = 0; i <= Detail2.T; i++)
{
decimal compound = Detail2.P * (decimal)(Math.Pow((1 + Detail2.R), i));
subTotal += compound;
}
Console.WriteLine($"The compound interest for {Detail2.Name} is {subTotal:C}");
}