Instructions is correctly stated. inventory for 2020 W (Ignore income taxes.) Prepare the revised retained earnings statement for 2020 and 2021, assuming comparative statements. E22.10 (LO 1, 2, 3) (Accounting for Accounting Changes and Errors) Listed below are various types of accounting changes and errors. 1. Change in a plant asset's salvage value. 2. Change due to overstatement of inventory. 3. Change from sum-of-the-years-digits to straight-line method of depreciation. 4. Change from presenting unconsolidated to consolidated financial statements. 5. Change from LIFO to FIFO inventory method. 6. Change in the rate used to compute warranty costs. 7. Change from an unacceptable accounting principle to an acceptable accounting principle. 8. Change in a patent's amortization period. 9. Change from completed-contract to percentage-of-completion method on construction contracts. 10. Change from FIFO to average-cost inventory method. structions