For the year ended December 31, 2014, the job cost sheets of Cinta Company contained the following data.

Job # Explanation Direct Materials Direct Labor Manufacturing Overhead Total Costs
7640 Balance 1/1 $25,000 $24,000 $28,800 $77,800
Current Years Cost $30,000 $36,000 $43,200 $109,200
7641 Balance 1/1 $11,000 $18,000 $21,600 $50,600
Current Years Cost $43,000 $48,000 $57,600 $148,600
7642 Current Years Cost $58,000 $55,000 $66,000 $179,000
Other data:

1. Raw materials inventory totaled $15,000 on January 1. During the year, $140,000 of raw materials were purchased on account.
2. Finished goods on January 1 consisted of Job No. 7638 for $87,000 and Job No. 7639 for $92,000.
3. Job No. 7640 and Job No. 7641 were completed during the year.
4. Job Nos. 7638, 7639, and 7641 were sold on account for $530,000.
5. Manufacturing overhead incurred on account totaled $120,000.
6. Other manufacturing overhead consisted of indirect materials $14,000, indirect labor $18,000, and depreciation on factory machinery $8,000.

Prove the agreement of Work in Process Inventory with job cost sheets pertaining to unfinished work. (Hint: Use a single T-account for Work in Process Inventory.) Calculate each of the following, then post each to the T-account: (1) beginning balance, (2) direct materials, (3) direct labor, (4) manufacturing overhead, and (5) completed jobs.