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 370 Unit Cost $4.00 Transactions Beginning inventory, January 1 Transactions during the year A. Purchase, January 30 b. Purchase, May 1 c. Sale ($6 each) d. Sale ($6 each) 3.10 5.00 270 430 (130) (670) Required: a. Compute the amount of goods available for sale. Goods available for sale 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. Assume 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.) Average Cost First-In First Out Last-in First-Out Specific Identification Ending Inventory Cost of goods sold