Company E produced and sold 50,000 units last month. They provide you with the following information: Sales $850,000 Fixed manufacturing costs $210,000 Variable manufacturing costs $140,000 Fixed selling and administrative expenses $300,000 Variable selling and administrative expenses $45,000 There were no beginning or ending inventories. What is contribution margin per unit? Select one: a. $7.98 b. $14.20 C$13.30 d. $3.10