Calculate the present value of the following:

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Calculate the present value of the following: a-1. Annual payment of exist950 for 10 years at 5% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Present value exist a-2. Annual payment of exist750 for 15 years at 5% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Present value exist a-3. Which option would you prefer? exist950 a year for 10 years exist750 a year for 15 years b-1. Annual payment of exist950 for 10 years at 20% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Present value exist b-2. Annual payment of exist750 for 15 years at 20% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Present value exist b-3. Which option would you prefer? exist950 a year for 10 years exist750 a year for 15 years