The management of Ortega Manufacturing has three different proposals under consideration. The Accounting Department has prepared the following information:

ABC Initial investment$3,100,000$2,450,000$2,055,000Useful life of equipment7 Years7 Years7 YearsEstimated salvage value$0$400,000$100,000payback period4.2 Years4.4 Years4 YearsNet present valuediscount at 15%*$(30,000)$21,600$15,800

Which of the above proposals generates the greatest annual cash flow?