Syntax 1 : SELECT-OPTIONS  FOR .  "THIS PRINTS TWO INPUT FIELDS (RANGE) WITH EXTENSION TO ENTER MULTIPLE RANGES
Syntax 2 : SELECT-OPTIONS  FOR  NO INTERVALS.   "THIS PRINTS ONE INPUT FIELD WITH EXTENSION
Syntax 3 : SELECT-OPTIONS  FOR  NO-EXTENSION. " THIS PRINTS TWO INPUT FIELDS WITH OUT ANY EXTENSION (CAN NOT ENTER MULTIPLE RANGES)
Syntax 4 : SELECT-OPTIONS  FOR  NO INTERVALS NO-EXTENSION .THIS PRINTS ONE INPUT FIELD WITH OUT INTERVALS AND EXTENSIONS