i need help finding the gross profit

Total Cost of Goods Sold Unit Total Quantity Cost Cost Cost Purchases Unit Date Quantity Cost Dec. 1 Dec. 8 Dec. 14 14 15 Inventory on Hand Unit Total Quantity Cost Cost 13 9 7 9 63 Z 19 63 14 15) 210 8 15 6 9 54 210 Dec 21 7 9 613 90 6 15 120 Totals 14 210 19 207 Compute the gross profit using the using the FIFO inventory costing method using the FIFO inventory costing Giess profit is 120 method