Pharoah Airways, Inc, a small two-plane passenger airline, has asked for your assistance in some basic analysis of its operations. Both planes seat 10 passengers each, and they fly commuters from Pharoah's base airport to the major city in the state, Metropolis. Each month, 40 round-trip flights are made. The following is a recent month's activity in the form of a cost-volume-profit income statement. Without calculations, determine the contribution margin at the break-even point. Break-even point $