Washington Supply Company experienced the following costs in 2010: Direct Materials $3.50/unit Direct Labor $2.55/unit Manufacturing Overhead Costs variable $1.50/unit fixed $20,000 Selling & Administrative costs Variable Selling $2.15/unit Fixed Selling $8,000 Fixed administrative $7,000 During the year the company manufactured 95,000 units and sold 80,000 units. If the average selling price per unit was $20, how much was the companys contribution margin