a-1. Calculate the present value of an annual payment of $540.00 you would received for 10 years if the interest rate is 6.51%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) a-2. Calculate the present value of an annual payment of $405.00 you would received for 18 years if the interest rate is 6.51%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b-1. Calculate the present value of an annual payment of $540.00 you would received for 10 years if the interest rate is 15.90%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b-2. Calculate the present value of an annual payment of $405.00 you would received for 18 years if the interest rate is 15.90%. (Do not round intermediate calculations. Round your answer to 2 decimal places.)