Dapple Company incurred the following cost while producing 425 units direct materials, $11 per unit; direct labor, $22 per unit; variable manufacturing overhead $10 per unit; total fixed manufacturing overhead cost, $5950 variable selling and administrative cost $3 per unit total fixed selling and adminstrative cost $3400. There is no beginning inventories. what is the operating income using variable costing if 350 units are sold for 140 each? a-32900 b-24600 c-23550 d-24600