A firm with a 15 percent WACC is evaluating two projects for this year's capital budget. After-tax cash flows, including depreciation, are as follows? Year Project (E) Project (F) 0 $(12000) $(36000) 1 $5000 $10500 2 $5000 $10500 3 $5000 $10500 4 $5000 $10500 The IRR for project E is equal to