Problem $1.$ Profit$-$leverage Effect

A firm has an operating margin of $7\mathrm{.}6\%$

$($a$)$ The profit$-$leverage effect $=$

$($b$)$ A $$38,000$ dollar savings in logistics costs has the same impact on profit as

$$,$ ales increase.

$($c$)$ $

logistics cost saving can achieve the same profit impact as a $$100,000$ sales

increase.