You are evaluating the balance sheet for Campus Corporation. From the balance sheet you find the following balances: Cash and marketable securities = exist400,000, Accounts receivable = exist200,000, Inventory = exist100,000, Accrued wages and taxes = exist10,000, Accounts payable = exist300,000, and Notes payable = exist600,000. What is Campus's net working capital? A. -exist210,000 B. exist700,000 C. exist910,000 D. exist1, 610,000