E7-10 (Algo) Evaluating the Effects of Inventory Methods on Income from Operations, Income Taxes, and Net Income (Periodic) [LO 7-3] Courtney Company uses a periodic inventory system. The following data were avallable: beginning inventory, 1,900 units at $20; purchases, 3,100 units at $25; operating expenses (excluding income taxes), $98,000; ending inventory per physical count at December 31,1,400 units; sales price per unit, $65; and average income tax rate, 30%. Required: 1. Complete the income statements and the cost of goods sold calculation under the FIFO, LIFO, and weighted average costing methods. 2-a. Between FIFO and LIFO, which method is preferable in terms of maximizing income from operations, if costs are rising? 2-b. Between FIFO and LIFO, which method is preferable in terms of minimizing income taxes, if costs are rising? 3-a. Between FIFO and LIFO, which method is preferable in terms of maximizing income from operations, if costs are falling? 3-b. Between FIFO and LIFO, which method is preferable in terms of minimizing income taxes, if costs are falling? Complete this question by entering your answers in the tabs below. Complete the income statements and the cost of goods sold calculation under the FIFO, LIFO, and weighted methods. (Do not round intermediate calculations. Round your final answers to the nearest dollar amount.)