Complex sentence: Scientists working for a particular co-operative will, like workers, be offered extra money for extra hours; in addition if they present their co-operative with a new product which the co-operative believes will be successful they shall test market it.
Split into simpler sentences: Scientists working for a particular co-operative will, like workers be offered extra money fro extra hours. In addition if they present their co-operative with a new product which the co-operative believes will be successful they will test market it.