Complex sentence: In 1987, Ecolab purchased the lawncare servicer provider, ChemLawn for US $376 million; but would sell the acquisition later in 1992 to Service Master., for US $103 million as it couldn't turn ChemLawn into a profitable business.
Split into simpler sentences: In 1987, Ecolab purchased the lawncare servicer provider, ChemLawn for US $376 million. It sold the acquisition in 1992 to Service Master, for US $103 million as it couldn't turn ChemLawn into a profitable business.