An investment project has annual cash Inflows of $$5,100,$$$3,200,$$$4,400,$ and $$3,600,$ and a discount rate of $15$ percent.

a$.$ What is the discounted payback period for these cash flows if the Initial cost is $$5,000?($Do not round Intermedlate 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 $$7,100?($Do not round Intermedlate 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 $$10,100?($Do not round Intermedlate cilculatlonsi and round your answer to $2$ decimal places, e$.$g$.32\mathrm{.}16.)$

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