Problem
If the ATC curves of a Wal-Mart store and a 7-Eleven store are like those in Eye on Retailers' Costs on p. 365, and if each type of store operates at its minimum ATC, which store has the lower total cost? How can you be sure? Which has the lower marginal cost? How can you be sure? Sketch each firm's marginal cost curve.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.