The statement of income for The Green Restaurant indicates the following for a period during which 40,000 customers were served.Food sales: $300,000Food costs: $92,000Other non-food costs: $ 168,000Profit: 40,000lf the portion cost of an item A is $ 6.8, determine its selling price using the average contribution margin approach. $12 $11 $13 $10 The statement of income for The Green Restaurant indicates the following for a period during which 40,000 customers were served.Food sales: $300,000Food costs: $92,000Other non-food costs: $ 168,000Profit: 40,000lf the portion cost of an item A is $ 6.8, determine its selling price using the average contribution margin approach. $12 $11 $13 $10