Graphing the crossover point helps explain: why one project is always superior to another project how decisions concerning mutually exclusive projects are derived how the duration of a project affects the decision as to which project to accept how the net present value and the initial cash outflow of a project are related how the profitability index and the net present value are related Assume a project has normal cash flows (i.e., the initial cash flow is negative, and all other cash flows are positive). Which of the following statements is most correct? All else equal, a project's IRR increases as the cost of capital declines. All else equal, a project's NPV increases as the cost of capital declines. All else equal, a project's MIRR is unaffected by changes in the cost of capital. Answers a and b are correct. Answers b and c are correct