ABC Corp. has set up the Asset Category key flexfield. It has also set up a descriptive flexfield tostore vehicle information associated with the asset category "Vehicle." Identify two correctstatements.（） (Choose two.)

• A、The setting up of the descriptive flexfield is mandatory.
• B、The Asset Category flexfield is owned by the Oracle Assets module.
• C、The descriptive flexfield is associated with tables in the Oracle Assets module.
• D、Only the Asset Category flexfield is associated with tables in the Oracle Assets module.