Question ID:PT80 S3 Q19 Passage:Three real estate companies‚ RealProp, Southco, and Trustcorp‚ are considering trading buildings with one another. Each building they own is categorized as either class 1, class 2, or class 3, depending on its approximate value:RealProp owns the Garza Tower (class 1), the Yates House (class 3), and the Zimmer House (class 3). Southco owns the Flores Tower (class 1) and the Lynch Building (class 2). Trustcorp owns the King Building, the Meyer Building, and the Ortiz Building, all of which are class 2.Each trade must be of exactly one of the following three kinds:Trading one building for one other building of the same classTrading one class 1 building for two class 2 buildingsTrading one class 2 building for two class 3 buildings Stem:Which one of the following could be the buildings owned by the three companies after only one trade is made? Correct Answer Choice:CChoice A:RealProp: the Flores Tower and the Garza TowerSouthco: the Lynch Building, the Yates House, and the Zimmer HouseTrustcorp: the King Building, the Meyer Building, and the Ortiz Building Choice B:RealProp: the Garza Tower, the King Building, and the Ortiz BuildingSouthco: the Flores Tower and the Lynch BuildingTrustcorp: the Meyer Building, the Yates House, and the Zimmer House Choice C:RealProp: the Garza Tower and the Lynch BuildingSouthco: the Flores Tower, the Yates House, and the Zimmer HouseTrustcorp: the King Building, the Meyer Building, and the Ortiz Building Choice D:RealProp: the Garza Tower, the Meyer Building, and the Yates House Southco: the Flores Tower and the Lynch BuildingTrustcorp: the King Building, the Ortiz Building, and the Zimmer House Choice E:RealProp: the Garza Tower, the Yates House, and the Zimmer HouseSouthco: the Lynch Building and the Ortiz BuildingTrustcorp: the Flores Tower, the King Building, and the Meyer Building