The following table includes quarterly working capital levels for your firm for the next year. (Click on the following icon in order to copy the contents into a spreadsheet.). Quarters (5000) Cash 1 2 3 4 108 108 108 108 Accounts Receivable 198 108 104 606 Inventory 198 510 909 Accounts Payable 110 90 101 49 101 If you want to limit your maximum short-term borrowing to $530,000 and maintain a minimum cash balance of $108.000, how much excess cash must you carry? The excess cash needed is $ (Round to the nearest dollar.)