Turquoise Reality Company owns an apartment house that has an adjusted basis of $760,000 but subject to a mortgage of 190,000 . Turquoise transfers the apartment house to Dove, Inc., and receives from Dove $120,000 in cash and an office building with a fair market value of $780,000 at the time of the exchange. Dove assumes the $190,000 mortgage on the apartment house. The transaction is a like-kind exchange. What is Turquoise's recognized gain? A. $20,000 B. $190,000 C. $210,000 D. $310,000 E. $330,000