The license holder shall not permit a person to hold, offer for sale, sell, distribute or consume a controlled substance as defined in the Controlled Drugs Act. $($ it means that the drug pushers are not permitted$)$ Some of the following steps can be taken to prevent this or spot out such activity in the bars and its premises including the washrooms. One of the following is not correct step. Which one? aO bO O dMake all tables visible to staff and other patronsPlace $/$ install security cameras $-$CCTV in the bathroomsProper lighting to avoid dark corners$/$areas$.$Place security in areas of concern $($bathroom entrance, side stage, doors, entries and exits$).$