B. When the subject matter is objective and informative
Answer:
A. emergency plumber services and C.insulin.
Explanation:
From the list provided the best candidates for this would be emergency plumber services and insulin. That is because these are items or services that have a high supply but low demand due to the population of customers being a minority. This, therefore, causes market inefficiency which leads to deadweight loss. Other items like Coca-Cola and food mostly stay in equilibrium because products are made depending on the current demand and the customer population is the vast majority.
Answer: All of the above
Explanation: During an interview, it is important to take into account a series of elements such as: having a pleasant tone of voice, a positive vocabulary, and a good command of grammar. The characteristics mentioned above allow communication to take place in an adequate way, allowing the interviewee to understand what is being asked of him and respond appropriately.