Carla Vista's Custom Construction Company is considering three new projects, each requiring an equipment investment of $23,980. Each project will last for 3 years and produce the following net annual cash flows. Year AA BB CC 1 $7,630 $10,900 $14,170 2 9,810 10,900 13,080 3 13,080 10,900 11,990 Total $30,520 $32,700 $39,240 The equipment's salvage value is zero, and Carla Vista uses straight-line depreciation. Carla Vista will not accept any project with a cash payback period over 2 years. Carla Vista's required rate of return is 12%. Click here to view PV table. (a) Compute each project's payback period. (Round answers to 2 decimal places, e.g. 15.25.) AA BB years years CC years (b) Compute the net present value of each project. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45). Round final answers to the nearest whole dollar, e.g. 5,275. For calculation purposes, use 5 decimal places as displayed in the factor table provided.) AA $ BB CC $ +A +A Which is the most desirable project based on net present value? The most desirable project based on net present value is Which is the least desirable project based on net present value? The least desirable project based on net present value is