Complex sentence: The Rosenbaum family sold the house to the City of Florence for $75,000, and the city spent a further $600,000 on repairs, using original plans sent by the Wright Foundation at Taliesin West.
Split into simpler sentences: The Rosenbaum family sold the house to the City of Florence for $75,000. The city spent $600,000 on repairs, using original plans sent by the Wright Foundation at Taliesin West.