Alex is receiving an annuity-immediate with monthly payments for the next 20 years. The )first payment is $10. The second payment is $20. The third payment is $30. The payments continue increase until the last payment is $2,400. Alex takes each payment and invests it in the Win Bank. The Win Bank pays a nominal interest rate of 9% compounded monthly. Determine the amount that Alex will have at the end of 20 years.