What is the relationship between monetary incentives in goal setting and performance?

What is the relationship between monetary incentives in goal setting and performance?
a. Goal setting has led to performance increases without monetary incentives for goal accomplishment.
b. Goal setting has led to performance decreases with monetary incentives for goal accomplishment.
c. Goal setting has led to performance decreases when monetary incentives are not provided for goal accomplishment.
d. Goal setting only leads to performance increases when monetary incentives for goal accomplishment are provided.
e. It depends on the employees and the incentive.