The nurse administering Mr. Brown's medication is aware that Tylenol # 3 is a controlled substance. The nurse must ensure that which of the following is completed?

Place the wastage into the toilet

Complete a count of the medication after preparing Mr. Brown's medication

Ensure a narcotic count is completed whenever there is staff shift change

Ensure a colleague signs the narcotic record, after telling them you have wasted 1/2 of the pill