You are evaluating the balance sheet for Goodman's Bees Corporation. From the balance sheet you find the following balances: cash and marketable securities = $800,000, accounts receivable = $1,600,000, inventory = $2,100,000, accrued wages and taxes = $570,000, accounts payable = $870,000, and notes payable = $670,000.
Calculate Goodman Bees' net working capital ?