Courtney Company uses a periodic inventory system. Data for 2020 are as follows: beginning merchandise inventory (December 31, 2019), 4,000 units at $37.00; purchases, 14,000 units at $43.10; operating expenses (excluding income taxes), $223,000; ending inventory per physical count at December 31, 2020, 4,000 units; sales price per unit, $72.20; and average income tax rate, 40 percent. Required: 1. Prepare statements of earnings under the FIFO and weighted average costing methods. (Round intermediate calculations to 2 decimal places and final answers to the nearest whole dollar.) Statement of Earnings (Partial) Inventory Costing Method Weighted Units FIFO Average Sales revenue Cost of sales: Beginning inventory Purchases Cost of goods available for sale 0 0 0 Ending inventory Cost of sales 0 0 0 Gross profit 0 0 Expenses (operating) Pretax earnings 0 0 Income tax expense Net earnings $ 0 $ 0 2-a. Which method, FIFO or weighted average cost, is preferable in terms of net earnings? O FIFO Weighted average cost 2-b. Which method, FIFO or weighted average cost, is preferable in terms of cash flow? O FIFO Weighted average cost