Wilderness Guide Services, Inc., performs adjusting entries every month, but closes its accounts only at year-end. The company's year-end adjusted trial balance dated December 31, 2015, follows:

WILDERNESS GUIDE SERVICES, INC. Adjusted Trial Balance December 31, 2015
Cash	$	12,200
Accounts receivable		31,000
Camping supplies		7,900
Unexpired insurance policies		2,400
Equipment		70,000
Accumulated depreciation: equipment			$	60,000
Notes payable (due 4/1/16)				18,000
Accounts payable				9,500
Capital stock				25,000
Retained earnings				15,000
Dividends		1,000
Guide revenue earned				102,000
Salary expense		87,500
Camping supply expense		1,200
Insurance expense		9,600
Depreciation expense: equipment		5,000
Interest expense		1,700
	$	229,500	$	229,500

a.	Prepare all necessary closing entries at December 31, 2015. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)
	B.b. Prepare an after-closing trial balance dated December 31, 2015.