Calculate the present value of the following a-1. Annual payment of $1,000 for 10 years at 5% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) a-2. Annual payment of $800 for 15 years at 5% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) a-3. Which option would you prefer? b-1. Annual payment of $1,000 for 10 years at 20% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b-2. Annual payment of $800 for 15 years at 20% interest. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b-3. Which option would you prefer? a-1. Present value a-2. Present value a-3. Which option would you prefer? b-1. Present value b-2. Present value Activate Windows Go to Settings to activate Wind