The Cullumber Inn is trying to determine its break$-$even point. The inn has $77$ rooms available that are rented at $$54$ a night. Operating costs are as follows:Salaries$$6,760$per monthMaintenanceUtilities$$2,110$$$460$ per monthper monthDepreciation$$2,010$per monthHousekeeping serviceOther costs$$7$ per room$$20$ per room$($a$)$Determine the inn's break$-$even point in the number of rented rooms per month and dollars.Break$-$even pointroomsBreak$-$even point