A project has the following cash flows:

a$.$ What is the NPV at a discount rate of zero percent? $($Do not round intermediate

calculations and round your answer to the nearest whole number, e$.$g$.,32.)$

b$.$ What is the NPV at a discount rate of $10$ percent? $($Do not round intermediate

calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

c$.$ What is the NPV at a discount rate of $18$ percent? $($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$.,32\mathrm{.}16.)$

d$.$ What is the NPV at a discount rate of $28$ percent? $($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$.,32\mathrm{.}16.)$