You are evaluating the balance sheet for Goodman's Bees Corporation. From the balance sheet you find the following balances: cash and marketable securities = $410,000, accounts receivable = $2,300,000, inventory = $2,000,000, accrued wages and taxes = $700,000, accounts payable = $1,000,000, and notes payable = $800,000. Calculate Goodman Bees' net working capital.