Skysong Company began operations on January 1, 2018, and uses the average-cost method of pricing inventory. Management is contemplating a change in inventory methods for 2021. The following information is available for the years 20182020.

2018 Net Income Computed Using Average-Cost Method FIFO Method LIFO Method $15,980 $19,140 $12,070 18,090 21,090 14,040 20,130 24,990 16,940 2019 2020 (a) Prepare the journal entry necessary to record a change from the average cost method to the FIFO method in 2021. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Account Titles and Explanation Debit Credit (c) Assume Skysong Company used the LIFO method instead of the average cost method during the years 2018-2020. In 2021, Skysong changed to the FIFO method. Prepare the journal entry necessary to record the change in principle. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Account Titles and Explanation Debit Credit