I need help trying to solve this practice problem, thank you for the help.

Consider the following projects: Year Cash Flow X Cash Flow Y 0 1 2 -$350,000 110,000 140,000 80,000 250,000 -$54,000 34,000 20,000 12,000 16,000 3 4 a. Calculate the payback for each project (2 decimal places). b. Calculate the NPV for each project assuming a required return of 15%. Calculate the IRR for each project (as a percentage to 2 decimal places). d. Calculate the profitability index for each project (2 decimal places)