Cansela Corporation reports inventory and cost of goods sold based on calculations from a LIFO periodic inventory system. The company began 2021 with inventory of 6,800 units of its only product. The beginning inventory balance of $97,600 consisted of the following layers: = 2,800 units at $12 per unit 4,000 units at $16 per unit Beginning inventory $ 33,600 64,000 $ 97,600 During the three years 20212023 the cost of inventory remained constant at $18 per unit. Unit purchases and sales during these years were as follows: 2021 2022 2023 Purchases 22,000 29,000 24,000 Sales 24,000 31,000 25,200 Required: 1. Calculate cost of goods sold for 2021, 2022, and 2023. 2. Disregarding income tax, determine the LIFO liquidation profit or loss, if any, for each of the three years. 3. Determine the effects of LIFO liquidation on cost of goods sold and net income for 2021, 2022, and 2023. Cansela's effective income tax rate is 25%