Final answer:
To determine the profit or loss on the trade-in, the net book value of the old machine ($6,144) is subtracted from its trade-in value ($4,430), resulting in a loss of $1,714.
Step-by-step explanation:
The student is asking for the calculation of the profit or loss on the trade-in of an old machine in the context of a business transaction. To determine the profit or loss on the disposal of a fixed asset like machinery, we compare the trade-in value received to the net book value (cost minus accumulated depreciation) of the machine.
The original cost of the old machine is $12,000, and it has accumulated depreciation of $5,856. Thus, the net book value of the machine at the time of trade-in is $12,000 - $5,856 = $6,144.
The trade-in value received is $4,430. Therefore, the loss on the trade-in is $6,144 - $4,430 = $1,714.