Answer:
The correct answer is D. all of the above.
Step-by-step explanation:
The economic disturbances are determined by problems of income and fiscal expenses, which supposes a direct influence on own market conditions such as demand and supply, but also a direct consequence on the activity and the policies necessary to face these problems. The supply and demand shocks determine the behavior of the price at a given moment, along with the development of the aggregate market (GDP) during the current year.