Use the diagram below which diagram shows the short-run conditions of a firm in a perfectly competitive market to answer the question.

In the long run, ____ firms will ____ the industry so that the market supply curve shifts to the _____, until prices ______ sufficiently so that all firms make a normal profit only.

This question is based on the following diagram which shows the marginal cost and average total cost curves for a perfectly competitive firm.

If the market price is R10