The following is the adjusted trial balance of Sierra Company.

Sierra Company
Adjusted Trial Balance
December 31
Account Title	Debit	Credit
Cash	$ 6,100
Prepaid insurance	610
Notes receivable (due in 5 years)	5,100
Buildings	22,200
Accumulated depreciationBuildings		$ 13,100
Accounts payable		3,600
Notes payable (due in 3 years)		4,100
L. Sierra, Capital		12,700
L. Sierra, Withdrawals	1,220
Consulting revenue		10,600
Wages expense	4,600
Depreciation expenseBuildings	2,440
Insurance expense	1,830
Totals	$ 44,100	$ 44,100

Prepare its December 31 closing entries.