1985 it had purchased all its requirements (20,000 a year) from an outside supplier, the Monson
Controls Corporation. In 1985, at the request of the Electric Motor Division, the Refrigeration
Division purchased 25 percent of its requirements from the Electric Motor Division. In 1986, this
percentage was increased to 50 percent, and in 1987 to 75 percent. In July 1987, the Refrigeration
Division informed the Monson Controls Corporation that beginning January 1, 1988, it would by all
its thermostatic control units from the Electric Motor Division. The Refrigeration Division made
these source changes as a result of Electric Motor Division requests, which were, it said, “in the best
interest of the company”. The units made outside and inside were comparable in quality, and the
price paid to the Electric Motor Division was the same as the price paid to the Monson Controls
Corporation. The Laundry Division also paid this same price to the Electric Motor Division.