Item7 15 points eBook References Check my work Check My Work button is now enabled Item 7 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: Transactions Units Unit Cost Beginning inventory, January 1 300 $4.00 Transactions during the year: a. Purchase, January 30 200 2.40 b. Purchase, May 1 360 5.00 c. Sale ($6 each) (60) d. Sale ($6 each) (600) Required: a. Compute the amount of 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. Fo