Autoworkers Negotiate a Wage Increase

Multiple Choice

Autoworkers negotiate a wage increase.How does this change affect the supply curve of cars?

A) It shifts the supply curve leftward.
B) It shifts the supply curve rightward.
C) It does not shift the supply curve or create a movement along it.
D) The supply curve will shift but there is not enough information to tell if the change shifts the supply curve rightward, leftward, or not at all.
E) It creates a movement downward along the supply curve.