Gladstone Company tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method at the end of each period, as if it uses a periodic Inventory system. Assume its accounting records provided the following information at the end of the annual accounting period, December 31 Units 3,200 Unit Cast $ 55 Transactions Beginning inventory, January 1 Transactions during the years 0. Purchase. January 30 b. Sale, March 14 ($100 each) c. Purchase. May 1 d. Sale, August 31 (5100 each) 69 4,100 (2,850) 2.se (3,300) BS Required: 1. Compute the amount of goods available for sale, ending inventory, and cost of goods sold at December 31 under each of the following inventory costing methods: (Round intermediate calculations to 2 decimal places and final answers to the nearest whole dollar amount.) Amount of Goods Available for Sale Ending Inventory Cost of Goods Sold a Lostin, first out Amount of Goods Available for Sale Ending Inventory Cost of Goods Sold a. Last-in, first-out b. Weighted average cost c. First-in, first-out 2-a. Of the three methods, which will result in the highest gross profit? Last-in, first-out Weighted average cost First-in, first-out Specific identification 2-b. Of the three methods, which will result in the lowest income taxes? Last-in, first-out Weighted average cost First-in, first-out Specific identification