Lie Around Furniture manufactures two products: Futons and Recliners. The following data are available: Variable costs Futons Recliners Sales price $500 $700 $360 $415 The company can manufacture either 4 futons per machine hour or 2 recliner(s) per machine hour. The company's production capacity is 11,500 machine hours per month. What is the contribution margin per machine hour for recliners? A. $2,230 B. $570 OC. $1,140