Units Produced and sold 100,000 Sales revenue $530,000 Variable production expense $89,000 Fixed production expense $125,000 Variable selling expense $19,000 Fixed selling expense $77,000 Variable administrative expense $41,000 Fixed administrative expense $151,000 What is total contribution margin at 150,000 units? A. $ 571,500 B. $ 218,500 C. $ 633,000 D. $ 381,000