The Oriole Inn is trying to determine its break$-$even point. The inn has $75$ rooms that are rented at $$56$ a night. Operating costs are as follows.per room$($a$)$Determine the inn's break$-$even point in $(1)$ number of rented rooms per month and $(2)$ sales dollars.

B$.)$ if the inn plans on renting an avergage of $50$ rooms per day $($assuming a $30$ day month$)$ what is $(1)$ the monthly margin of safety in dollars and $(2)$ the margin of safety ratio