QUESTION 4 Zion Manufacturing Co. is considering a new inventory system that will cost $450,000. The system is expected to generate -$50,000 (negative) in year one, 5315.000 in year tw $110,000 in year three, and $150,000 in year four. Zion's required rate of return is 10%. What is the payback period of this project? O 4 Years 0 2.7 Years O 3.5 Years 3.1 Years