11) A Corporation is considering an investment in new equipment costing $180,000. The equipment will be depreciated on a straight-line basis over a ve-year life and is expected to generate net cash inflows of $45,000 the first year, 565,000 the second year, and $90,000 every year thereafter until the fifth year. The equipment has $10,000 residual value. a. What is the payback period for this investment? b. What is the ARR forthis investment? 12)You are planning to buy a certain equipment for your business which costs $150,000. The equipment has 8 years useful life and residual value of $11,000 at the end of its life. You estimate that investment will save you $25,000 every year for 8 years. How much is the NPV of that investment, if your expected rate of return is 8%