c) IRR and NPV has given different results ,because IRR considers only the rate of return, without having regard to the size of cash flows. Though Project D, has a higher rate of return, due to its low investment, the Total value added by Project D is only $27976, as agains $34,826 added by Project C Explanation: Due to the inherent limitation of IRR, of not considering the size of cash flows, NPV is considered the better tool to evaluate. So Select Project C - Build a New stand, as per NPV