Indigo Company is in the process of adjusting and correcting its books at the end of 2020 . In reviewing its records, the following information is compiled. 1. Indigo has failed to accrue sales commissions payable at the end of each of the last 2 years, as follows. 2. In reviewing the December 31, 2020, imventory, indigo discovered errors in its inventory taking procedures that have cikned inventories for the last 3 years to be incorrect, as follows. Indigo has already msde an entry that established the incorrect Decenber 31,2020 , irventory ansount. 3. As December 31, 2020. Indigo decided to change the depreciation me thod on ats olfice equipment from double declinink- Indigo has already made an entry that established the incorrect December 31,2020 . imventory amount. 3. At December 31. 2020. Indigo decided to change the depreciation method on its office equipment from double-declining: balance to straight-line. The equipment had an original cost of $95,600 when purchased on January 1, 2018. It has a 10-vear useful lite and no salvage value. Depreciation expense recorded prior to 2020 under the double-declining-balance method Was $37,800. Indigo has already recorded 2020 depreciation expense of $13,700 using the double-declining-balance method 4. Before 2020, Indige accounted for its income from long-term construction contracts on the completed-contract basis. Early in 2020, Indigo changed to the percentage-of-completion basis for accounting purposes. It continues to use the completed: contract method for tax purposes Income for 2020 has been rocorded using the percentage-of completion method. The foliowing information is available. Peepare the journal entries necessary at December 31,2020 , to record the above correctians and chanees. The books are stif apent for 2020. The income taxrate is 20%. Indigo has not yet recorded its 2020 income tax expense and poyable ameabts ro current elfectsmay be ignored. Prior year tax effects must be considered in item 4 (Chedit acoount titles are automabiouly indknted whan ankount is entered. Do not indent marually. if no entryis required, seloct "No Entry' for the occount tithes and enter of or the anounca) No. Account Titles and Explanation 1. 2. 3