Doug's Custom Construction Company is considering three new projects, each requiring an equipment investment of $23,320. Each project will last for 3 years and produce the following net annual cash flows. Year AA BB CC 1 $7,420 $10,600 $13,780 9,540 10,600 12,720 3 12,720 10,600 11,660 Total $29,680 $31.800 $38.160 The equipment's salvage value is zero, and Doug uses straight-line depreciation. Doug will not accept any project with a cash payback period over 2 years. Doug'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.) 16,960 years 21,200 years 13,780 years