Marc, age 4 5, sells his personal residence on May 15, 2018, for $180,000. He pays $8,000 in selling expenses and $900 in repair expenses to help sell the residence. He has lived in the residence since 1992, when he purchased it for $55,000. In 1999, he paid $6,000 to install central air conditioning. If Marc purchases a new principal residence in December of the current year for $162,000, what is the realized gain, recognized gain, and the basis for the nevi residence?