Hi, I keep getting the answers to this question incorrect. Hoping someone can help me get the correct ones. The incorrect answers are:

NPV at rate of zero:

256403

226507

NPV at infinite rate:

-534800

571382

Discount Rate:

15.55

19

An investment has an installed cost of $572,382. The cash flows over the four-year life of the investment are projected to be $201,584, $245,318, $193,674, and $161,313. If the discount rate is zero, what is the NPV? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32) NPV If the discount rate is infinite, what is the NPV? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) NPV At what discount rate is the NPV just equal to zero? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Discount rate