Arlington Inc uses a periodic Inventory system. Assume Arlington's records show the following for the month of January, Sales totated 310 units Date Units Unit Cost Total Cost Beginning Inventory January 1 240 $ 80 Purchase $19,200 January 15 360 90 32,400 Purchase January 24 200 110 22,000 21 Required: 1. Calculate the number and cost of goods available for sale! 2. Calculate the number of units in ending inventory. 3. Calculate the cost of ending inventory and cost of goods sold using the (a) FIFO, (D) LIFO, and (c) weighted average cost methods. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Calculate the number and cost of goods available for sale. units Number of Goods Available for Sale Cost of Goods Available for Sale CPA Required 2 >