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Message: <blockquote data-quote="AndrewW1" data-source="post: 2304129" data-attributes="member: 222697">A family is currently paying $40 a month for basic phone service for two phone lines. A representative from another phone carrier calls the family to offer a service that will include basic phone through a cable connection that includes two phone numbers, call waiting, voice mail, and caller-ID for $52 a month.What additional information do they need to make the decision?That's the one question I don't understand (from a student problem set). Can you please help me out here?</blockquote>