An investment project has annual cash inflows of $$5,200,$$$3,000,$$$4,300,$ and $$3,500,$

for the next four years, respectively. The discount rate is $13$ percent.

a$.$ What is the discounted payback period for these cash flows if the initial cost is

$$4,900?($Do not round intermediate calculations and round your answer to $2$

decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ What is the discounted payback period for these cash flows if the initial cost is

$$7,000?($Do not round intermediate calculations and round your answer to $2$

decimal places, e$.$g$.,32\mathrm{.}16.)$

c$.$ What is the discounted payback period for these cash flows if the initial cost is

$$10,000?($Do not round intermediate calculations and round your answer to $2$

decimal places, e$.$g$.,32\mathrm{.}16.)$