Sheridan Airways Inc., a small two$-$plane passenger airline, has asked for your assistance in some basic analysis of its operations. The

planes seat $10$ passengers each, and they fly commuters from Sheridan's base airport to the major city in the province, Metropolis.

Each month, $40$ round$-$trip flights are made. Shown below is a recent month's activity in the form of a cost$-$volume$-$profit income

statement.

$($a$)$

Calculate the break$-$even point in dollars and number of fares.

Break$-$even point

$

Break$-$even point

fares