Question: If a taxpayer excludes the gain on the sale of his personal residence and, within two years, sells a second residence, he or she can exclude (up to $250,000 for a single taxpayer): Multiple Choice The entire gain on the second sale if the sale is due to health, employment reasons or unforeseen circumstances. The entire gain for any reason. A ratio of the days owned divided by 730 days and only if the sale is due to health, employment reasons or unforeseen circumstances. A ratio of the days owned divided by 730 days for any reason.