The following are the job cost related accounts for the law firm of Sandhill Associates and their manufacturing equivalents: Supplies Law Firm Accounts Payroll Liabilities Operating Overhead Service Contracts in Process Manufacturing Firm Accounts Raw Materials Inventory Payroll Liabilities Manufacturing Overhead Work in Process Inventory Cost of Completed Service Contracts Finished Goods Inventory Cost data for the month of March follow. A Purchased supplies on account $2,240. 2. Issued supplies $1,560 (60 % direct and 40% indirect). 3. Assigned labor costs based on time cards for the month which indicated labor costs of $84.000 (80% direct and 20% indirect). 4. Operating overhead costs incurred for cash totaled $48,000. 5. Operating overhead is applied at a rate of 90% of direct labor cost. 6. Work completed totaled $90,000. No. Account Titles and Explanation Debit Credit 1. 2. 3. 6.