On June1, 2011, Jason, who is single, bought a home that he owned and used as his principal residence until he sold it on June1, 2012. The sale price was $1,500,000. His adjusted basis is $1,300,000. He moved from that residence to a new residence 500 miles away because his employer transferred him. He continued to work at the new location for over three years and the transfer constitutes a change of employment under Section 121. He has never sold another residence. How much gain must Jason recognized?