Selected statement of financial position information for the Wolf Company at November 30, and December 31, 2019, 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 Salaries 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 salaries, $10,000 Required: 1. Determine the following for the month of December: Ca. Sales revenue b. Cost of goods sold c. Insurance expense d. Salaries expense 2. Prepare summary journal entries to record the month's sales and cost of those sales