Motel Corporation is analyzing a capital expenditure that will involve a cash outlay of $208,240. Estimated cash flows are expected to be $40,000 annually for seven years. The present value factors for an annuity of $1 for 7 years at interest of 6%, 8%, 10%, and 12% are 5.582, 5.206, 4.868, and 4.564, respectively. The internal rate of return for this investment is: a. 8% b. 12% c. 6% d. 10%