A company calculated the following totals for the month of july under each cost flow assumption method: Ending Inventory Cost of Goods Sold LIFO FIFO Average Cost 1496 1662 1596 3905 5190 4439 If total revenue for the month was $8007, gross profit dollars under FIFO is $ if it is a loss, not profit. Do not enter commas, decimals, dollar signs, etc.) (Note: Enter whole numbers only. Put a minus sign