K Buzz Appliances manufactures two products: Food Processors and Expresso Machines. The following data are available: Food Processors Espresso Makers Sales price Variable costs $145 $50 $235 $190 The company can manufacture either two food processors per machine hour or three espresso machines per machine hour. The company's production capacity is 1.200 machine hours per month What is the contribution margin per machine hour for espresso machines? A. $45 OB. $585 OC. $135 OD. $190