Answer:
The correct answer is letter "B": Price will increase and the effect on quantity cannot be determined.
Explanation:
By supply and demand law, as long as the price of a good or service increases the supply decrease and the demand increases. In the scenario, the close of shipping channels due to the adverse weather will reduce the supply of imported cocoa used for making hot chocolate which will cause the price of cocoa raise. As a result, the demand for cocoa will increase but quantity is uncertain because the relative impact of those fluctuations is imprecise.