They asked Fieldstone to trade a deed to the house for $60,000, enough cash to let the Ledfords buy a condo.
The ledford's bought a condo and kept their house. 
mnli hypothesis: The ledford's bought a condo and kept their house.  premise: They asked Fieldstone to trade a deed to the house for $60,000, enough cash to let the Ledfords buy a condo.