4 Given the cashflow tabulated below. What is the payback period using the discounted method at MARR=15%? EOY Initial Revenues Expenses investment out of 0 $120,000 0 0 uestion 1 0 $35,000 $15,000 2 0 $50,000 $10,000 3 0 $75,000 $5,000 4. 0 $65,000 0 5 0 $40,000 0 6 0 $15,000 0 O a. year 5 O b. year 4 O c. year 1 O d. year 6 O e.year 2 Of. year 3