Question 4 of 4 -/15 E Grouper's Custom Construction Company is considering three new projects, each requiring an equipment investment of $23,540. Each project will last for 3 years and produce the following net annual cash flows. Year AA BB CC 1 $7,490 $10,700 $13,910 2 Unresolved 10,700 12,840 3 12,840 10.700 11,770 Total $29.960 $32.100 $38,520 The equipment's salvage value is zero, and Grouper uses straight-line depreciation Grouper will not accept any project with a cash payback period over 2 years Grouper's required rate of return is 12% Click here to view PV table. (a) Computo each project's payback period. (Round answers to 2 decimal places, eg, 15.25.) AA years BB years CC years Which is the most desirable project? The most desirable project based on payback period is Which is the least desirable project? The least desirable project based on payback period is