Consider the following cash flows:

Year Cash Flow

$0$$ $28,500$

$115,200$

$213,700$

$310,100$

What is the profitability index for the cash flows if the relevant discount rate is $10$ percent?

Note: Do not round intermediate calculations and round your answer to $3$ decimal places, e$.$g$.,32\mathrm{.}161.$

What is the profitability index if the discount rate at $15$ percent?

What is the profitability index if the discount rate is $22$ percent?