The Figure Below Depicts the Short-Run Market Equilibrium in a Perfectly

Multiple Choice

The figure below depicts the short-run market equilibrium in a perfectly competitive market and the cost curves for a representative firm in that market. Assume that all firms in this market have identical cost curves. In the long run equilibrium in this market:

A) price will equal $5, and there will be 20 firms in the industry.
B) price will equal $5, and there will be 10 firms in the industry.
C) price will equal $8, and there will be 20 firms in the industry.
D) price will equal $5 and total output will equal 500 units, but there is not enough information to determine how many firms will be in the industry.