This document contains review questions about perfect competition. It includes questions about profit maximization for a perfectly competitive firm given cost and revenue information. It asks the student to determine the optimal output level and profits for a small tomato grower facing different market prices. It also contains questions about break-even points, short-run supply curves, and long-run equilibrium for a perfectly competitive industry. The student is asked to apply concepts of marginal cost, average cost, and profit maximization to firms operating under perfect competition.