Dahlia Manufacturing has the following two possible projects. The required return is 12 percent. Year Project Y Project Z 0 $31,000 $60,000 1 14,000 24,000 2 12,400 23,000 3 14,800 22,000 4 10,400 21,000 Required: (a) What is the profitability index for each project? (Do not round intermediate calculations. 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. 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?