A capital investment project is estimated to have the after-tax cash flows of $30,000 in year 0, $7,500 in year 1, $12,500 in year 2,55,000 in year 3, 515,000 in year 4. The company utilizes a discount rate of 10% to evaluate capital projects. The discounted payback period for the project is: a. 3.39 b. Does not payback in 4 years, c. 2.27 d. 3.88