A firm with a 12 percent cost of capital is considering a project for this year's capital budget. The project's expected after- tax cash flows are as follows: Year: Cash flow: 0 -$15,000 1 $7,100 2 $6,800 3 $6,500 4 $5,600 Calculate the project's internal rate of return (IRR). a. 32.97% b.14.74% c. 73.33% d. 27.53% e. 35.79%