An investment requires an outlay of $100 and produces after-tax cash flows of $40 annually for four years. A project enhancement increases the required outlay by $15 and the annual after-tax cash flows by $5. How will the enhancement affect the project's NPV profile? The vertical intercept of the NPV profile of the project shifts: Up and the horizontal intercept shifts right. Up and the horizontal intercept shifts left. Down and the horizontal intercept shifts right. Down and the horizontal intercept shifts left