4. Mr. Smith owns property with a basis of $210,000, and an outstanding mortgage of $80,000. During 2018 Mr. Smith sells his property to Mr. Jones for: a. $250,000 cash b. A building with a FMV of $300,000. This building has an outstanding mortgage of $70,000, which Mr. Smith assumes. c. Mr. Jones purchases the property subject to Mr. Smith's mortgage. d. Mr. Smith pays a sales commission of $20,000. Determine: (A) Mr. Smith's amount realized. (B) Mr. Jones's basis in the property received