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Try “burger”, “cash flow”, “Costco” or “markup”.

Big companiesBig company

Airlines

Huge fixed costs and prices that change by the day. Why every empty seat hurts.

A big plane at the gate, cut open to show its rows of seats: most windows have a passenger, but a few seats sit empty and earn nothing. A fuel truck fills the wing, and a departures board by the gate shows prices going up and down.FUELFLIGHTS

The lessons

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These lessons teach 5 of the 15 big ideas in Foundations.