In the long run, a firm in a perfectly competitive market will make?

In the long run, a firm in a perfectly competitive market will make normal profit. Normal profit is the minimum level of profit necessary to keep a firm in operation. It is equal to the opportunity cost of the resources used in the production process, including the implicit cost of the entrepreneur's time and effort. In a perfectly competitive market, there are many firms selling an identical product, and there are no barriers to entry or exit. This means that in the long run, firms will be able to earn only normal profit, because any abnormally high profits will attract new firms to enter the market, driving down the price and reducing the profits of all firms. Similarly, any abnormally low profits will cause some firms to exit the market, reducing the supply and driving up the price and profits of the remaining firms. Therefore, the correct option is that in the long run, a firm in a perfectly competitive market will make "normal profit".