Listed below are year-end account balances ($ in millions) taken from the records of Symphony Stores. Debit Credit Accounts receivable-trade 709 Building and equipment 923 Cash-checking 41 Interest receivable 43 Inventory 20 Land 150 Notes receivable (long-term) 495 Petty cash funds 9 Prepaid rent 35 Supplies 8 Trademark 55 Accounts payable-trade 633 Accumulated depreciation 71 Additional paid-in capital 483 Allowance for uncollectible accounts 15 Cash dividends payable 28 Common stock, at par 12 Income tax payable 62 Notes payable (long-term) 876 Retained earnings 282 Deferred revenues 26 TOTALS 2,488 2,488 What is the amount of working capital for Symphony