Presented below is the ending balances of accounts for the Kansas Instruments Corporation at December 31, 2018. DebitsCredits Account Title $40,000 170,000 44,000 120,000 23,000 Cash Accounts receivable Raw materials Note receivable Interest receivable Interest payable Marketable securities Land Buildings Accumulated depreciation-buildings Work in process 25,000 52,099 70,000 1,700,000 640,000 62,000 109,000 340,000 Finished goods Equipment Accumulated depreciation-equipment Patent (net of amortization) Prepaid rent (for the next two years) 150,800 140,000 80,000 Deferred revenue 56,000 200,000 600,e00 Accounts payable Note payable Cash restricted for payment of note payable Allowance for uncollectible accounts Sales revenue Cost of goods sold Rent expense 100,000 33,e00 1,260,000 476,000 48,000 Additionel 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 company's working capital (current assets minus current liabilities) at December 31, 2018. should be indicated by a minus sign.)