Please help

Sandhill 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 Sandhill'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. Calculate the break-even point in sales dollars