EAGLERUN TRUCKING DISPATCHER ERD Driver D DriverLicenseNo TruckID TruckModel Owns DRIVER TRUCK Driver Name Drives Serves RegionName RegionID REGION (3) How many columns will the relation DRIVER have in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram? A) 0 or 1 B) 1 or 2 C) 2 or 3 D) 3 or 4 (4) How many columns will the relation TRUCK have in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram? A) 0 or 1 B) 1 or 2 C) 2 or 3 D) 3 or 4