Suppose the extra cost to a car wash of advertising one additional day each month on a local radio station is $175.Then,the car wash should advertize that one additional day each month if doing so brings in additional revenue of $175 or more each month.

Question

Quizplus · Accepted Answer

The cost of advertising an additional day is $175. If the additional revenue brought in by advertising for that day is also $175 or more, then the cost of advertising would be covered and there would still be a profit. Therefore, it would be worthwhile for the car wash to advertise on that day.

Suppose the Extra Cost to a Car Wash of Advertising