A firm is evaluating two independent projects utilizing the internal rate of return technique. Project X has an initial investment of $80,000 and cash inflows at the end of each of the next five years of $25,000. Project Z has a initial investment of $120,000 and cash inflows at the end of each of the next four years of $40,000. The firm should None of these o accept both if the cost of capital is at 15 percent. o accept only Z if the cost of capital is at 15 percent. accept only X if the cost of capital is at 15 percent