URGENT PLEASE HELP ALL PARTS!!!!!! i need to learn this before my exam

A firm has a WACC of 11.00% and is deciding between two mutually exclusive projects. Project A has an initial investment of $62.99. The additional cash flows for project A are: year 1=$16.55, year 2=$37.24, year 3=$65.27. Project B has an initial investment of $74.32. The cash flows for project B are: year 1=$57.64. year 2= $49.14. year 3=$26.49. Calculate the following: A. Payback Period for Project A (round your answer to the nearest 2 decimal places): B. Payback Period for Project B (round your answer to the nearest 2 decimal places): C. NPV for Project A: $ D. NPV for Project B: \$