Delaware Corp. prepared a master budget that included $21.360 for direct materials. $33.600 for direct labor, 518,000 for variable overhead, and $45,000 for fixed overhead. Delaware Corp. planned to sell 4,000 units during the period, but actually sold 4.300 units. What would Delaware's total cost be if it used a flexible budget for the period based on actual sales? A $123.432 B572.960 C 578.432 D 533,432