Answer:
a gain of $12,000 should be recorded on this exchange.
Step-by-step explanation:
Hint : Treat the Old Sailboat as if it was Sold for an Amount equal to the trade-in allowance since the transaction has commercial substance
Journal Entry to record the Exchange of the Old Sailboat
Trade - In Allowance $192,000 (debit)
Accumulated depreciation $120,000 (debit)
Sailboat - Cost $300,000 (credit)
Gain on Exchange of Old Sailboat $12,000 (credit)