An investment project provides cash inflows of $$585$ per year for eight years.

a$.$ What is the project payback period if the initial cost is $$1,650?($Enter $0$ if the projigct never pays back. Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ What is the project payback period if the initial cost is $$3,250?($Enter $0$ if the project never pays back. Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

c$.$ What is the project payback period if the initial cost is $$4,700?($Enter $0$ if the project never pays back. Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

$\backslash$table$[[$a$.$ Payback period,$2\mathrm{.}82,$years$],[$b$.$ Payback period,$5\mathrm{.}56,$years$],[$c$.$ Payback period,$8\mathrm{.}04ox,$years$]]$