An investment has an installed cost of $$571,382.$ The cash flows over the four$-$year life of the investment are projected to be $$200,584,$ $$244,318,$ $$192,674,$ and $$160,313.$

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

Note: Do not round intermediate calculations and round your answer to the nearest whole number, e$.$g$.,32.$

If the discount rate is infinite, what is the NPV$?$

Note: 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$.,32.$

At what discount rate is the NPV just equal to zero?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$