i need help with this two questions. Thank you.

Andouille Spices, Incorporated, has the following mutually exclusive projects available. The company has historically used a three-year cutoff for projects. The required return is 10 percent. a. Calculate the payback period for both projects. Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.9., 32.16. b. Calculate the NPV for both projects. Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16. c. Which project should the company accept? Consider the following cash flows: What is the IRR of the obove set of cash flows? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g.. 32.16