Periodic Method: Computing Inventory Using LIFO, FIFO, WA, and Sl; Financial Statement Impacts; and Inventory Errors Craig Company buys and sells one product. Its beginning inventory, purchases, and sales during calendar-year 2018 follow. Date Jan. 1 Jan. 15 Mar. 10 Apr. 1 May 9 Sep. 22 Nov. 1 Nov. 28 Activity Units Acquired at Cost Units Sold at Retail Unit Inventory Beg. inventory 400 units @ $14 = S 5,600 400 units Sale 200 units @ $30 200 units Purchase 200 units @ $15 = $ 3.000 400 units Sale 200 units @ $30 200 units Purchase 300 units @ $16 = S 4,800 500 units Purchase 250 units @ $20 = $ 5.000 750 units Sale 300 units @ $35 450 units Purchase 100 units @ $21 = $_2.100 550 units Totals 1.250 units $20,500 700 units Additional tracking data for specific identification: (1) January 15 sale200 units @ $14, (2) April 1 sale200 units @ $15, and (3) November 1 sale200 units @ $14 and 100 units @ $20. (1.) What is the cost of Good Available for Sale ? How many units available for sale? (1 point) (2.) Using the Periodic System, determine Cost of Goods Sold (COGS) and Ending Inventory using one of the methods: Specific Identification, Weighted Average, FIFO or LIFO. Show your work. (3 Points) (3.) Explain how the calculation might be different if you used Perpetual System instead. (1 point)