The Michner Corporation is trying to choose between the following two mutually exclusive design projects: Year Cash Flow (I) Cash Flow (II) 0 $ 72,000 $ 17,200 1 32,000 9,300 2 32,000 9,300 3 32,000 9,300 a-1. If the required return is 10 percent, what is the profitability index for both projects? (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 the firm accept? multiple choice 1 Project I Project Il b-1. What is the NPV for both projects? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) b-2. If the company applies the NPV decision rule, which project should it take? multiple choice 2 Project I Project II