Hi, need help solving this question below. I forgot what, or how, to fill the blanks. Thanks for the help!

Information for two alternative projects involving machinery investments follows. Project 1 requires an initial investment of $202,500. Project 2 requires an initial investment of $138,000. (a) Compute each project's annual net cash flow. (b) Compute payback period for each investment. Complete this question by entering your answers in the tabs below. Compute each project's annual net cash flow