Determining Missing Items in Return Computation

One item is omitted from each of the following computations of the return on investment:

Rate of Return

on Investment $=$

Profit Margin x Investment

Turnover

$17\%=10\%$ x $($a$)$

$($b$)=16\%$ x $0\mathrm{.}75$

$15\%=($c$)$ x $1\mathrm{.}5$

$10\%=20\%$ x $($d$)$

$($e$)=15\%$ x $1\mathrm{.}6$

Determine the missing items identified by the letters as shown above. If required, round your answers to two decimal places.

$($a$)$ fill in the blank $1$

$($b$)$ fill in the blank $2$

$\%$

$($c$)$ fill in the blank $3$

$\%$

$($d$)$ fill in the blank $4$

$($e$)$ fill in the blank $5$

$\%$