The Spacez Company has the following assets and liabilities: ASSETS: Cash $20,000, Marketable Securities $30,000, Accounts Receivable $50,000, Inventory $100,000 Long term receivables $35,000, Property, Plant and Equipment $65,000 LIABILITIES: Current liabilities $100,000, Long term liabilities $60,000, Stockholders'equity $140,000 What is the working capital for this company