Sinatra Industries, Inc. uses a job order cost system. The following data summarize the operations related to production for June 2012, the first month of operations:

• Materials purchased on account, $32,760.
• Materials requisitioned and factory labor used:

• Factory overhead costs incurred on account, $6,300.
• Depreciation of machinery and equipment, $2,200.
• The factory overhead rate is $58 per machine hour. Machine hours used:

• Jobs completed: 301, 302, 303, and 305.

Jobs were shipped and customers were billed as follows: Job 301, $9,150; Job 302, $12,350; Job 303, $16,600.Post the appropriate entries to T accounts for Work in Process and Finished Goods, using the identifying letters as dates. Insert memo account balances as of the end of the month.