a-1. Calculate the present value of an annual payment of $970.00 you would received for 11 years if the interest rate is 9.51%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) a-2. Calculate the present value of an annual payment of $776.00 you would received for 19 years if the interest rate is 9.51%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b-1. Calculate the present value of an annual payment of $970.00 you would received for 11 years if the interest rate is 16.90%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b-2. Calculate the present value of an annual payment of $776.00 you would received for 19 years if the interest rate is 16.90%. (Do not round intermediate calculations. Round your answer to 2 decimal places.)