Which of the Following Best Describes an Economic Problem Related

Which of the following best describes an economic problem related to scarcity and choice?

A) A store has too much of a product in stock and customers are not interested in it. The store owner has to decide whether to lower or raise the price.
B) A store has too little of a product in stock and customers are very interested in it. The store owner has to decide whether to lower or raise the price.
C) A company needs quality workers but is having difficulty finding people.
D) The price of gas increases because of limited oil supplies. A resident of a major city has to decide whether to drive to work or take public transportation.