could someone explain how to get this answer please

Betty Gilmore plans to sell berry pies at a local farmer's market. The permit and space rental will cost her $2,000 for the June through August season. The pies will sell for $7.00. Ingredients and overhead average $4.00 per pie. She also has to pay five percent of her gross sales to the markets's organizers. How many pies will she need to sell to cover her fixed costs and realize a $3,000 profit? O A 1,667 pies OB. 752 O C. 1,250 pies D. 1,887 pies