Method: GET_VALUE_SET
Method: GET_COST_RATE
Method: GET_DATA_EXT
Method: SET_DATA_EXT
Method: SELECT_RATES_FROM_DB
Method: GET_ALL_RATES
Method: CLEAR_OBJECTS
Method: GET_RATE_VALUE_SET
Method: CHECK_MANDATORY_FIELDS
Method: GET_RATE4ROLE
Method: REPORT_UPDATES