Grinders Inc. operates a chain of doughnut shops. The company is considering two possible expansion plans. Plan A would open eight smaller shops at a cost of $8,940,000. Expected annual net cash inflows are $1,650,000 with zero residual value at the end of ten years. Under Plan B, Grinders would open three larger shops at a cost of $8,840,000. This plan is expected to generate net cash inflows of $1,400,000 per year for ten years, the estimated life of the properties. Estimated residual value is $1,025,000. Grinders uses straight-line depreciation and requires an annual return of 8%. (Click the icon to view the present value annuity factor table.) factor table.) (Click the icon to view the future value annuity factor table.) factor table.) Read the requirements. (Click the icon to view the present value (Click the icon to view the future value Requirement 1. Compute the payback period, the ARR, and the NPV of these two plans. What are the strengths and weaknesses of these capital budgeting models? Begin by computing the payback period for both plans. (Round your answers to one decimal place.) Plan A (in years) Plan B (in years)