Wildhorse Industries manufactures chairs and tables that are in high demand by local office furniture stores. Following is information for each of these products: Chairs Tables Selling price per item $72.00 $92.00 Variable cost per item 60.00 75.00 Contribution margin per item $12.00 $17.00 Machine hours per item 1.60 1.60 Wildhorse has 976 machine hours available each month. The demand for chairs is 580 units per month and the demand for tables is 360 units per month. If Wildhorse allocates its production capacity between the chairs and tables so that it maximizes the company's contribution margin, what will the total contribution margin be? $9120 $13080 $10370 $7320