Information for two alternative projects involving machinery investments follows. Project 1 requires an initial investment of $172,000. Project 2 requires an initial investment of $110,000. (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. Complete this question by entering your answers in the tabs below. Compute each project's annual net cash flow