g krepps Corporation produces a single product. Last year, Krepps manufactured 25,000 units and sold 20,000 units. Production costs for the year were as follows: Direct materials 180,000 Direct labor 120,000 Variable manufacturing overhead 210,000 Fixed manufacturing overhead 250,000 Sales totaled $850,000 for the year, variable selling and administrative expenses totaled $110,000, and fixed selling and administrative expenses totaled $170,000. There was no beginning inventory. Assume that direct labor is a variable cost. The contribution margin per unit was: