________ headings are used with bullets to summarize the content of an item in a list

Which of the following is considered a decision variable in the media selection problem of minimizing interview costs in surveying?

A) the number of people to survey in each market segment B) the overall survey budget C) the total number surveyed D) the number of people to conduct interviews E) None of the above

__________ has been experienced by anyone who, while having a telephone conversation, has been able to hear another telephone conversation

Fill in the blanks with correct word