An investment has an installed cost of $521,800. The cash flows over the four-year life of the investment are projected to be $227,850, $244,450, $211,110, and $159,820.

If the discount rate is zero, what is the NPV?

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? (Round your answer to 2 decimal places. (e.g., 32.16))

IRR

%