Refer to the Accompanying Diagram to Answer the Following Questions

Multiple Choice

Refer to the accompanying diagram to answer the following questions :

-Which of the following scenarios would explain the change in equilibrium shown in the accompanying figure?

A) an increase in an input price
B) a decrease in the number of buyers in a market
C) an increase in the price of a substitute good
D) an increase in the expected future price
E) a negative technological change