An investment project costs $$22,100$ and has annual cash flows of $$4,400$ for six years.

a$.$ What is the discounted payback period if the discount rate is zero percent?

Discounted payback period

$5\mathrm{.}02$

$4$:$58$

b$.$ What is the discounted payback period if the discount rate is $4$ percent?

Discounted payback period

c$.$ What is the discounted payback period if the discount rate is $21$ percent?