Ivanhoe Service Center just purchased an automobile hoist for $32,100. The hoist has an 8-year life and an estimated salvage value of $3,000. Installation costs and freight charges were $3,500 and $800, respectively. Ivanhoe uses straight-line depreciation. The new hoist will be used to replace mufflers and tires on automobiles. Ivanhoe estimates that the new hoist will enable its mechanics to replace 5 extra mufflers per week. Each muffler sells for $75 installed. The cost of a muffler is $39, and the labor cost to install a muffler is $16. (a) Compute the cash payback period for the new hoist. Cash payback period enters the cash payback period in a number of years (b) Compute the annual rate of return for the new hoist. (Round answer to 2 decimal places, e.g. 10.52%.) The annual rate of return