Q. No 3 (A) The following transactions took place with respect to Model B computers in Jackson's Computer Store during November 2012: Nov. 1 Beginning inventory 60 computers at $1,350 5 Purchase of Model B computers 14 computers at $1,400 11 Purchase of Model B computers 12 computers at $1,500 24 Purchase of Model B computers 18 computers at $1,750 30 Sale of Model B computers 40 computers at $2,700 Assuming the periodic inventory method, compute cost of goods sold and ending inventory using the following inventory costing alternatives: (a) FIFO, (b) LIFO, and (c) average cost. Also calculate the gross margin ratio and Inventory turnover ratio. Interpret both of the above measures. (4+4+4+4+4 = 20)