Consider the following cash flows:

Year Cash Flow

$0$$ $34,000$

$113,600$

$218,100$

$311,000$

What is the NPV at a discount rate of zero percent?

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

What is the NPV at a discount rate of $8$ percent?

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

What is the NPV at a discount rate of $18$ percent?

Note: A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

What is the NPV at a discount rate of $28$ percent?