5 Problem 9-18 NPV and Discount Rates (L01) An investment has an installed cost of $532,800. The cash flows over the fouryear life of the investment are projected to be $216,850, $233,450, $200,110, and $148,820. LENS If the discount rate is zero, what is the NPV? (Omit $ sign in your response.) NPV $ |:| QBOOk If the discount rate is innite, what is the NPV? (Negative answer should be indicated by a minus sign. Omit $ sign in your response.) NPV $ At what discount rate is the NPVjust equal to zero? (Round the final answer to 2 decimal places.) IRR %