Appendix, supplement both mean material added at the end of a book. An appendix gives useful additional information, but even without it the rest of the book is complete: In the appendix are forty detailed charts.
The Ford Motor Company (commonly referred to simply as Ford) is an American multinational automaker headquartered in Dearborn, Michigan, a suburb of Detroit. It was founded by Henry Ford and incorporated on June 16, 1903. The company sells automobiles and commercial vehicles under the Ford brand and most luxury cars under the Lincoln brand. Ford also owns Brazilian SUV manufacturer, Troller, and Australian performance car manufacturer FPV.
General Motors was founded by William C. Durant on September 16, 1908, as a holding company for Buick. In 1909, GM purchased the Rapid Motor Vehicle Company of Pontiac, Michigan, forming the basis of the General Motors Truck Company, from which the GMC Truck brand name was derived. (Rapid was established on December 22, 1901, by Max Grabowsky.