Consider the following setup for a perfectly competitive market: Suppose that for the firm, TC=625+Q squared and MC=2Q. For the industry, suppose that supply is given by P=Q . However, suppose now that there is an increase in demand, so that demand is given by and for the industry, demand is given by P=500-Q. Will this market outcome be sustainable? That is, do you expect firms to leave the market, enter the market, or neither?

A) Firms will enter the market.

B) Firms will leave the market.

C) Firms will neither enter nor leave the market.

D) There could be barriers to entry.