The plant manager at a company would like to perform an analysis for a new $200,000 machine. If she estimates benefits of $15,000 in the first year, and benefits are increasing by 13% per year a. What is the payback period for the machine? b. Suppose that the machine life is 11 years and has a salvage value of 10% of the initial cost after at the end of its useful life. If the MARR of the company is 9% per year, is this investment acceptable? Why