Air Supply Inc. produces three products. Data concerning the selling prices and unit costs of the three products appear below: Selling price Variable Costs Plastic Injection Molding Machine Time in minutes Product A S K $800 $600 $900 $500 $400 $550 10 5 7 Demand for the three products exceeds the company's productive capacity. The plastic molding machine machine is the constraint. Required: Given the machine constraint, which product should be emphasized? Support your answer with appropriate calculations