Let's assume, instead, that the roommate thing doesn't work out. Gary now wants to consider other ways to increase his profit in this business.

$($c$1)$ If he increases his selling price by $20\%$ and maintains the same volume of four units per month, does it affect his DOL? $($Round answer to $2$ decimal places, e$.$g$.15\mathrm{.}25.)$

Effect on DOL

$($c$2)$ If so$,$ what does this changed DOL mean for Gary?

Operating income

ev by a change in sales.