offering services to firms in disputes about cost allocations with government agencies. For March, AB worked 440 hours for Massive Airframes and 660 hours for Gigantic Drydocks. AB bills clients at the rate of S500 per hour; labor cost for its professional staff is $200 per hour. Overhead costs in March services were billed Transaction Description rhead is applied to clients at $40 per labor-hour. In addition, AB had $200,000 in marketing and administrative costs. All transactions are on account. All Record Labor cost Record Applied Service Overhead Record Cost of services billed Record Actual Service Overhead Required