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 after a 15-year contract with the McLaughlin's of Canada. Initially, GM held only the Buick Motor Company, but it rapidly acquired more than twenty companies including Oldsmobile, Cadillac, and Oakland, now known as Pontiac.