Answer:
taking out full-page advertisements in the same three local newspapers and runs thirty-second television commercials the same station.
Step-by-step explanation:
In order to effectively terminate the offer without being liable to pay any reward afterwards, First National Bank will have to take out full-page advertisements in the same three local newspapers and runs thirty-second television commercials the same station.
Anyone give information afterwards will be paid any reward even if the person does not have any prior knowledge of the offer termination. He will just simply be referred to the evidences of the advertisement and television commercials.