Outdoor Luggage Inc. makes high-end hard-sided luggage for sports equipment. Data concerning three of the company's most popular models appear below. Fishing Guard Guard $330 $275 Selling price per unit $310 $150 Variable cost per unit $150 $85 Plastic injection molding machine processing 8 minutes 15 minutes 5 minutes time required to produce one unit Pounds of plastic pellets per unit 7 pounds 9 pounds 10 pounds Required: la The total time available on the plastic injection molding machine is the constraint in the production process. What is the contribution margin per unit of the constrained resources for Ski Guard, Golf Guard and Fishing Guard? Ski Guard Golf Guard Fishing Guard Seling price per unit Variable cost per unit Contribution margin per unit Plastic injection molding machine processing time required to produce one unit minutes Contribution margin per unit of the constrained resource per minute per minute per minute