Based on the following data, what is the amount of working capital? Accounts payable Accounts receivable Cash Intangible assets Inventory Long-term investments Long-term liabilities Short-term investments Notes payable (short-term) Property, plant, and equipment Prepaid insurance $53760 95760 58800 84000 115920 134400 168000 67200 47040 1125600 1680 $238560 $278880 $273840 $310800