The Michner Corporation is trying to choose between the following two mutually exclusive design projects: Year Cash Flow (I) Cash Flow (II) 0 $ 73,000 $ 31,000 1 27,500 9,500 2 33,000 20,500 3 39,000 14,500 a-1. If the required return is 12 percent, what is the profitability index for each project? Note: Do not round intermediate calculations and round your answers to 3 decimal places, e.g., 32.161. a-2. If the company applies the profitability index decision rule, which project should it take? b-1. If the required return is 12 percent, what is the NPV for each project? Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16. b-2. If the company applies the net present value decision rule, which project should it take?.