Concord Corporation prepares quarterly financial statements. The post-closing trial balance at December 31, 2016, is presented below.

CONCORD CORPORATION Post-Closing Trial Balance December 31, 2016
		Debit		Credit
Cash		$22,400
Accounts Receivable		23,000
Allowance for Doubtful Accounts				$1,200
Equipment		24,000
Accumulated DepreciationEquipment				11,000
Buildings		121,000
Accumulated DepreciationBuildings				11,000
Land		20,000
Accounts Payable				12,150
Common Stock				86,000
Retained Earnings				89,050
		$210,400		$210,400

During the first quarter of 2017, the following transactions occurred:

1.		On February 1, Concord collected fees of $6,000 in advance. The company will perform $500 of services each month from February 1, 2017, to January 31, 2018.
2.		On February 1, Concord purchased computer equipment for $9,000 plus sales taxes of $600. $3,000 cash was paid with the rest on account. Check #455 was used.
3.		On March 1, Concord acquired a patent with a 10-year life for $9,600 cash. Check #456 was used.
4.		On March 28, Concord recorded the quarters sales in a single entry. During this period, Concord had total sales of $150,000 (not including the sales referred to in item 1 above). All of the sales were on account.
5.		On March 29, Concord collected $143,000 from customers on account.
6.		On March 29, Concord paid $16,150 on accounts payable. Check #457 was used.
7.		On March 29, Concord paid other operating expenses of $96,000. Check #458 was used.
8.		On March 31, Concord wrote off a receivable of $200 for a customer who declared bankruptcy.
9.		On March 31, Concord sold for $1,940 equipment that originally cost $13,000. It had an estimated life of 5 years and salvage of $1,000. Accumulated depreciation as of December 31, 2016, was $9,600 using the straight line method. (Hint: Record depreciation on the equipment sold, then record the sale.) Record journal entries for transactions 19.