1. The main difference between a function book and a function sheet isthat:
   1. a function book covers all functions, while a function sheet covers justone.
   2. a function book includes prospects as well as bookedbusiness.
   3. a function book does not indicate the room in which the planned function will occur; a function sheetdoes.
   4. a function book does not list the time of a function; a function sheetdoes.