Company Xmanufactures specialized medical equipment. The company produced and sold 1,000 units during the month of May. Each unit is sold for $120. The company incurred the following expenses: direct materials $5,000, direct labor $8,000, total manufacturing overhead cost $20,000, total selling and administrative cost $30,000. Assume that 90% of the total manufacturing overhead cost and 30% of the total selling and administrative costs was fixed cost. calculate the contribution margin ($). a 87.000 ob. 91,000 84.000 d. 57.000 e. 103.000 C