Eisler Company experienced the following costs in 2010: Direct materials $2 / unit Direct labor $5 / unit Variable manufacturing overhead $1 / unit Variable selling $4 / unit Fixed manufacturing overhead $70,000 Fixed selling $50,000 Fixed administrative $30,000 During 2010, the company manufactured 70,000 units and sold 80,000 units. Assume the same unit costs in all years. Beginning inventory consists of 20,000 units. How much are total variable costs on the company's 2010 contribution margin income statement? $640,000 $960,000 $1,760,000 $560,000