Blue Co. decides at the beginning of 2020 to adopt the FIFO method of inventory valuation. Blue had used the LIFO method for financial reporting since its inception on January 1, 2018, and had maintained records adequate to apply the FIFO method retrospectively. Blue concluded that FIFO is the preferable inventory method because it reflects the current cost of inventory on the balance sheet. The following table presents the effects of the change in accounting principles on inventory and cost of goods sold. Income taxes are ignored. Inventory Determined by LIFO Method FIFO Method Cost of Goods Sold Determined by LIFO Method FIFO Method Date so January 1, 2018 $0 $0 $0 90 8 December 31, 2018 820 902 December 31, 2019 180 220 968 1,090 330 430 1.180 December 31, 2020 1,120 December 31, 2020 330 430 1.180 1.120 Retained earnings reported under LIFO are as follows. Retained Earnings Balance $1,220 December 31, 2018 2,170 December 31, 2019 December 31, 2020 3,030 Other information: 1. For each year presented, sales are $2,950 and operating expenses are $910. 2. Blue provides two years of financial statements. Earnings per share information is not required, Prepare income statements under LIFO for 2018, 2019 and 2020 BLUE CO. Income Statement For the Year Ended December 31 LIFO 2018 2019 2020 > GA $ Prepare income statements under FIFO for 2018, 2019 and 2020. BLUE CO. Income Statement For the Year Ended December 31 FIFO 2018 2019 2020 $ > $ $ c) Prepare income statements reflecting the retrospective application of the accounting change from the LIFO method to the FIFO method for 2017 and 2016 d) Prepare comparative retained earnings statements for 2016 and 2017 under FIFO