Use the Table Costs for Alina's Apple Pies

Use the table Costs for Alina's Apple Pies. Alina's Apple Pies operates in a perfectly competitive market where the price of a pie is currently $18. What will happen in the market in the long run?
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A) Firms will enter this market, increasing the market supply curve and decreasing price.
B) Firms will exit this market, increasing the market supply curve and decreasing price.
C) Firms will enter this market, decreasing the market supply curve and increasing price.
D) Firms will exit this market, decreasing the market supply curve and increasing price.