stion 9 0 out of 3 points Eighteen months ago, Barney and Betty boupht their house for $268,000. This yoor, Barney and Botty sold their home for a salos price of $990,000. All closing costs were paid by the buyer. Barney and Betty owned and Irved in their home for 18 months. Assuming no unusual or hardship circumstances apply, how much of the gain is included in gross income? (Do not use commas or dolfar signs.)