Presented below is the ending balances of accounts for the Kansas Instruments Corporation at December 31, 2018.

Account Title		Debits			Credits
Cash	$	37,000
Accounts receivable		164,000
Raw materials		41,000
Note receivable		117,000
Interest receivable		20,000
Interest payable				$	22,000
Marketable securities		49,000
Land		67,000
Buildings		1,640,000
Accumulated depreciationbuildings					637,000
Work in process		59,000
Finished goods		106,000
Equipment		334,000
Accumulated depreciationequipment					147,000
Patent (net of amortization)		137,000
Prepaid rent (for the next two years)		77,000
Deferred revenue					53,000
Accounts payable					197,000
Note payable					570,000
Cash restricted for payment of note payable		97,000
Allowance for uncollectible accounts					30,000
Sales revenue					1,140,000
Cost of goods sold		467,000
Rent expense		45,000

Additional information:

1. The note receivable, along with any accrued interest, is due on November 22, 2019.
2. The note payable is due in 2022. Interest is payable annually.
3. The marketable securities consist of treasury bills, all of which mature in the next year.
4. Deferred revenue will be recognized as revenue equally over the next two years.

Required: Determine the companys working capital (current assets minus current liabilities) at December 31, 2018.