please help me fill in the rest of the empty boxes

Requirement 1. Compute the cost of goods sold, cost of ending merchandise inventory, and gross profit using the FIFO inventory costing method Begin by computing the cost of goods sold and cost of ending merchandise inventory using the FIFO inventory costing method. Enter the transactions in chronological order, calculating new inventory on hand balances after each transaction. Once all of the transactions have been entered into the perpetual record, calculate the quantity and total cost of merchandise inventory purchased, sold, and on hand at the end of the period. (Enter the oldest inventory layers first.) Purchases Cost of Goods Sold Inventory on Hand More Info Total Total Cost 11S12 Unit Unit Total Unit Date QuantityCosCos Quantity Cost Cost QuantityCost Dec. 1 Dec 8 Dec. 14 Dec. 1 Beginning merchandise inventory11 units11 each 8 units24 each 14 units 15 each 13 units 24 each 8 11 88 11 $ 8 Sale 14 Purchase 21 Sale 14 S 15210 14 S 15 210 Dec. 21 3 S11$33 PrintDone Totals 14 S 210