What can we say about the long run equilibrium is: Fewer grapefruit will be produced.
Perfectly competitive market can be defined as the market in which producer or manufacturer product similar or identical product.
Suppose the price of grape fruit is lesser compare to the average cost of production it , this tend to mean that in the long run only fewer or little amount of grapefruit will be produced.
Therefore fewer grapefruit will be produced.
Learn more about Perfectly competitive market here:https://brainly.com/question/4190313
#SPJ1