If Firms in a Competitive Price-Searcher Market Are Currently Experiencing

If firms in a competitive price-searcher market are currently experiencing economic profits, then over time,

A) new firms will enter the market, and the current firms will experience a decrease in demand for their products until zero economic profit is again restored.
B) new firms will enter the market, and the current firms will experience an increase in demand for their products until zero economic profit is again restored.
C) some existing firms will exit the market, and the remaining firms will experience an increase in demand for their products until zero economic profit is again restored.
D) some existing firms will exit the market, and the remaining firms will experience a decrease in demand for their products until zero economic profit is again restored.