Answer:
gain of $10,000
Explanation:
The gain or loss that Tradewinds will have is the difference between the trade-in amount and the basis minus accumulated depreciation:
gain / loss = trade-in amount - (basis - accumulated depreciation) = $60,000 - ($600,000 - $550,000) = $60,000 - $50,000 = $10,000
since the result is a positive number, it is a gain