why is the correct answer option A. $100,000?

Chester and Ellen formed a partnership in 2019. Chester recelved a 50% capital and profits interest in exchange for contributing land with a basis of $250,000 and a FMV of $300,000. Ellen recelved a 50% capital and profits interest in exchange for contributing $300,000 cash. in 2022, the land contributed by Chester was sold by the partnership to a third party for $400,000. How much gain wil Chester recognize from the sale? a. $100,000 b. $200,000 c.5$20000 d. $160.000