Which of the Following Events Would Cause a Movement Downward

Multiple Choice

Which of the following events would cause a movement downward and to the left along the supply curve for oranges?

A) The number of sellers of oranges decreases.
B) There is a destruction of technological machinery that increases the cost of producing oranges.
C) The price of fertilizer increases, and fertilizer is an input in the production of oranges .
D) The price of oranges falls.