Mercy Industries tracks the number of units purchased and sold throughout each accounting period and applies its inventory costing method at the end of each period. Assume its accounting records provided the following information at the end of the accounting period, September 30,2022 . The inventory's selling price is $55 per unit. Required: 1. Compute the cost of goods available for sale, ending inventory, and cost of goods sold at September 30,2022 , under each of the following inventory costing methods: a. Weighted average cost. b. First-in, first-out. c. Last-in, first-out. 2. Of the three methods, which will result in the lowest income taxes? Which will result in the highest gross profit