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):

A) The entire gain on the second sale if the sale is due to health, employment reasons or unforeseen circumstances.

B) The entire gain for any reason.

C) A ratio of the days owned divided by 730 days and only if the sale is due to health, employment reasons or unforeseen circumstances.

D) A ratio of the days owned divided by 730 days for any reason.