Mojo Industries 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 accounting period, January 31 . The inventory's selling price is $11 per unit: Required: 1. Compute the amount of goods avaliable for sale, ending inventory, and cost of goods sold at January 31 under each of the following inventory costing methods: a. Weighted average cost. b. First-in, first-out c. Last-in, first-out. d. Specific identification, assuming that the January 10 sale was from the beginning inventory and the January 17 sale was from the January 12 purchase. 2-a. Of the four methods, which will result in the highest gross profit? 2-b. Of the four methods, which will result in the lowsst income taxes