Ellen is considering investing in a piece of equipment for her business. The purchase price is $100,000, and sheexpects to be able to sell the equipment for $40,000 at the end of five years. During the 5-year period, she expects theequipment to increase her annual cash flows by $25,000, $30,000, $20,000, $15,000, and $10,000. What is the internalrate of return (IRR) of this investment? A. 11.39% B. 8.78% C. 11.39% D. 15.79%