3) Y ou are faced with a decision on an investment proposal. Specifically, the estimated e estimated annual costs are $80,000, which begin decreasing by S5,000 per me a 9-year analysis period, no salvage value, onal income from the investment is $205,000 per year; the initial investment costs are S650,000; and th year starting at the end of the second year. Assu and MARR = 15%. (a) Draw the cash flow diagram (b) What is the IRR of (c) What is the simple payback period? d) What is the discounted payback period? this proposal? Is this proposal acceptable? Why or why not? a) pw