URGENT!!! please help with this question (all parts)

A firm has a WACC of 13.73% and is deciding between two mutually exclusive projects. Project A has an initial investment of $60.05. The additional cash flows for project A are: year 1=$19.39, year 2=$37.06, year 3=$53.64. Project B has an initial investment of $70.64. The cash flows for project B are: year 1= $53.83, year 2=$45.00, year 3=$20.61. Calculate the Following: A. Payback Period for Project A: B. Payback Period for Project B: C. NPV for Project A: D. NPV for Project B