On September 30, 2020, Sustco Ltd. purchased a piece of equipment for $20,000. At the time, management determined that the equipment would have a residual value of $2,000 at the end of its five-year life. Sustco has a December 31 year end and uses the straight-line depreciation method. Sustco ended up selling the piece of equipment on June 30, 2022, for $12,500. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter for the amounts.) Debit Credit Date Sept. 30, 2020 Account Titles and Explanation Equipment 20000 Cash 20000 Dec. 31, 2020 Depreciation Expense 900 Accumulated Depreciation - Equipment 900 Dec. 31, 2021 Depreciation Expense 3600 Accumulated Depreciation - Equipment 3600 Jun. 30, 2022 Depreciation Expense 1800 1800 Accumulated Depreciation - Equipment (To record depreciation expense) Jun. 30, 2022 (To record sale of equipment)