Selected balance sheet information for the Wolf Company at November 30, and December 31, 2013, is presented below. The company uses the perpetual inventory system and all sales to customers are made on credit.

	Nov. 30		Dec. 31
	Debits	Credits	Debits	Credits
Accounts receivable	10,000		3,000
Prepaid insurance	5,000		7,500
Inventory	7,000		6,000
Accounts payable		12,000		15,000
Wages payable		5,000		3,000

The following cash flow information also is available:
a.	Cash collected from credit customers, $80,000.
b.	Cash paid for insurance, $5,000.
c.	Cash paid to suppliers of inventory, $60,000 (the entire accounts payable amounts relate to inventory purchases).
d.	Cash paid to employees for wages, $10,000.

Required:

1.	Determine the following for the month of December:

2.	Prepare summary journal entries to record the month's sales and cost of those sales. (If no entry is required for a particular event, select "No journal entry required" in the first account field.)