Consider the following cash flows:

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

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

b$.$ What is the NPV at a discount rate of $10$ percent?

Note: 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 $20$ percent?

Note: 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 $30$ 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$.,32\mathrm{.}16.$

a$.$ Net present value

b$.$ Net present value

c$.$ Net present value

d$.$ Net present value