Answer:
Updating a depreciation for 2021 and recording the sale
1/9/21
Depreciation Expense (3312 * (8/12)=$2208
Accumulated depreciation $2208
Recording depreciation expense for the period
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Cash $14,490
Accumulated depreciation.
$13,800 ($11,592+$2208)
Machinery. $27,600
Gain on disposal. $690
Recording sales of machine