Corn Doggy, Inc. produces and sells corn dogs. The corn dogs are dipped by hand. Austin Beagle, production manager, is considering purchasing a machine that will make the corn dogs. Austin has shopped for machines and found that the machine he wants will cost $179,000. In addition, Austin estimates that the new machine will increase the company's annual net cash inflows by $22,000. The machine will have a 12-year useful life and no salvage value. a. Calculate the cash payback period. b. Calculate the machine's internal rate of return. C. Calculate the machine's net present value using a discount rate of 8%.