Answer: Option (C) is correct.
Explanation:
In a competitive market conditions, there are large number of buyers and sellers. All the firms in this market condition are selling identical products or we can say that all the goods are perfect substitutes.
Suppose if the firms earning negative economic profit then they continue to operate until the price of their goods is greater than the average variable cost and they shut down their production if the price of their goods is lower than the average variable cost.
A firm can experience normal profit, loss or supernormal in the short run.
But competitive firms cannot decreases their output to minimizes their losses.