b-1. Annual payment of $800 for 10 years at 20% interest. (Do not round Intermed declmal places.) Present value 3,354.00 b-2. Annual payment of $600 for 15 years at 20% interest. (Do not round intermedia! decimal places.) Present value b-3. Which option would you prefer? $800 a year for 10 years $600 a year for 15 years