20) A 5-year project requires a $20,000 investment in machinery that will be depreciated on a straight-line basis to a value of $0 over its 5-year life. The project will have net income of $6,000 per year and operating cash inflows of $7,500 per year. What is the payback period? A) 2.7 years B) 5.7 years C) 1.7 years D) 2.0 years E) 1.1 years