Auto Corp. is evaluating a capital project using the payback method. The project has an initial cash outflow of $650,000 and the annual after-tax cash inflows for the project are below. For capital projects management requires a rate of return of 13.0% Cash inflows are as follows: year 1$175,000, year 2$175,000, year 3$200,000, year 4$100,000 year 5$100,000, year 6$75,000, and year 7$50,000. How many years is the payback period of the project