Assume that the marginal cost of producing cigarette X is $10, the marginal cost of producing cigarette Y is $8, and that the market for both cigarettes is perfectly competitive . Assume that each pack of cigarette X smoked does $5 worth of health damage to the smoker, and a total of $4 worth of health damage to the smoker's neighbors via second-hand smoke. Each pack of cigarette Y smoked does $6 worth of health damage to the smoker, and $5 health damage to the smoker's neighbors .

answer:   effective communication would be most valuable to you take the necessary steps to learn what you need to know to protect yourself

explanation:

effective communication can be broken down into three categories listening, understanding and responding. you should listen or read in order to understand how to protect yourself and then take necessary precautions. for example, wash your hand and use condoms before sexual intercourse to avoid catching any infections or diseases .