Answer:
B. Sec. 1231 gain of $90,000
Explanation:
Equipment costs = $270,000
Less: Depreciation = ($30,000)
Net Book Value = $210,000
The equipment sells for $300,000. The selling amount must be compare with Net Book Value to record the gain or loss on sale of an assets. In this case, the equipment sells for $300,000 and NBV is $210,000 which equal to the gain of $90,000.