An investment has an installed cost of $517,800. The cash flows over the four-year life of the investment are projected to be $231,850, $248,450, $215,110, and $163,820.

If the discount rate is zero, what is the NPV? (Do not round intermediate calculations.)

NPV

$

If the discount rate is infinite, what is the NPV? (Negative amount should be indicated by a minus sign.)

NPV

$

At what discount rate is the NPV just equal to zero? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

IRR

%