You have been in talks with an advertising agency about buying some $30-$second spots for three of the cable channels you reviewed above. After negotiations, the agency has come back to you with two pieces of information: the estimated percentage of that channel's principal shoppers who will see your advertisement at least once, and the cost of the campaign that has been negotiated with the cable channel. Use this information to answer the next questions.

Click the icon to view the percentage of channel's principal shoppers who will see your advertisement at least once as well as the cost of the campaigns.

For each channel, what is the estimated cost to reach $1,000$ principal shoppers at least one time with the advertising campaign? $($Round to the nearest cent.$)$