posted once already but forgot to mention its periodic. can you help me fill this in?

More Anfo Aug. 1 Aug. 3 Aug. 12 Aug. 15 Aug. 20 Aug. 28 Beginning merchandise inventory, 14 books @ $19 each Sold 5 books @ $23 each Purchased 13 books @ $21 each Sold 10 books @ $23 each Purchased 5 books @ $25 each Sold 9 books @ $27 each Print Done a. b. c. FIFO LIFO Weighted Average Beginning Merchandise Inventory Plus Net Cost of Inventory Purchased Cost of Goods Available for Sale Less Ending Merchandise Inventory Cost of goods sold