Funtime Corporation is analyzing an investment of a fixed asset that will cost $208,240. Estimated cash inflows are expected to be $40,000 each year for 7 years. The present value factor for an annuity of $1 for 7 years at interest of 6% is 5.582. At 8% the factor is 5.206. At 10% the factor is 4.868. At 12% the factor is 4.564. What is the internal rate of return (IRR) for this investment? a) 10% b) 6% c) 8% d) 12%