Robben Manufacturing has the following two possible projects. The required return is 12 percent. Year Project Y Project Z 0 -28,500 - 50,000 14,500 36,000 12,500 34,000 14,500 12,900 15,300 10,900 2 4 a. What is the profitability index for each project? (Do not round intermediate calculations and round your answers to 3 decimal places, e.g., 32.161.) Profitability index Project Y Project Z b. What is the NPV for each project? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) NPV Project Y Project Z c. Which, if either, of the projects should the company accept? (Click to select)