AA Ltd. Company, had 150 units of inventory on hand at Dec 31, 2018. Purchases of inventory during the year were as follows: Date Explanation Units Unit cost $ Total Cost 1/2/2018 Purchase 250 1250 5 6 15/3/2018 Purchase 200 1200 26/7/2018 Purchase 350 7 2450 12/9/2018 Purchase 400 18 3200 16/11/2018 Purchase 450 9 4050 Total 1650 12150 Sales during the year around 15000 $ (1500 unit sold). If AA Ltd. Company using periodic inventory system: Cost of ending inventory applying the FIFO method a. 1300 O b. 1350 . 1500 O d. 750 Cost of goods sold applying the FIFO method O a. 10800 O b. 10200 o C. 12150 O d. 11400 Gross profit applying the FIFO method a. 2850 O b. 3800 O c. 3600 O d. 4200 Cost of ending inventory applying the average cost method a. 750 O b. 1105 O C. 1150 d. 1350 Cost of goods sold applying the average cost method a. 12800 b. 10880 O c. 11045 O d. 11400 Gross profit applying the average cost method a. 4200 b. 3955 C. 2850 O d. 5000