Year Cash Flow

$0$$ $9,800$

$16,700$

$24,600$

$36,400$

a$.$ What is the NPV at a discount rate of $0$ percent?

b$.$ What is the NPV at a discount rate of $11$ percent?

c$.$ What is the NPV at a discount rate of $19$ percent?

d$.$ What is the NPV at a discount rate of $24$ percent?