An investment project provides cash inflows of $$1,225$ per year for eight years.

a$.$ What is the project payback period if the initial cost is $$4,000?($Do not round intermediate calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ What is the project payback period if the initial cost is $$5,050?($Do not round intermediate calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

c$.$ What is the project payback period if the initial cost is $$10,800?($Enter $0$ if the project never pays back. Do not round intermediate calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

$\backslash$table$[[$a$.,$Payback period,,years$],[$b$.,$Payback period,,years$],[$c$.,$Payback period,,years$]]$