Kirtland Corporation uses a periodic inventory system. At the end of the annual accounting period, December 31, the accounting records for the most popular item in inventory showed the following: Units Unit Cost 55.00 Transactions Eccinning inventory January 1 Transacticris during the year: a. Purchase, January 30 b. Purchasc, May 1 C. Sale (S7 each d. Sale (S7 each) 4.00 6.00 520 (220) (760) Required: a. Compute the amount of goods available for sale. Goods available for sales 0,260 b. & c. Compute the amount of ending inventory and cost of goods sold at December 31, under Average cost, First-in, first-out, Last-in, first-out and Specific identification inventory costing methods. For Specific identification, assume that the first sale was selected two-fifths from the beginning inventory and three-fifths from the purchase of January 30. Assure that the second sale was selected from the remainder of the beginning inventory, with the balance from the purchase of May 1. (Do not round intermediate calculations. Round "Average Cost and Specific Identification" answers to 2 decimal places.) Ending inventory Cost of goods sold Average Cost $ 1,043.20 $ 5,016.80 First-In, First-Out 5 2,160 S 4,700 Last-In. Specific First-Out Identification S 1,800 S 5,0601