A Shift to the Left of the Demand Curve for X

Multiple Choice

A shift to the left of the demand curve for X together with a shift to the right of the supply curve for X tends to:

A) increase the price of X; the effect upon the quantity exchanged is indeterminate.
B) increase the price of X and to increase the quantity exchanged.
C) decrease the price of X and to decrease the quantity exchanged.
D) decrease the price of X; the effect upon quantity exchanged is indeterminate.
E) make changes in both the price of X and the quantity of X exchanged that are indeterminate.