when would the following conditional be false?

If you work 20 hours a week then you make $125.00.
a. You work 25 hours a week, and make $125.00.
b. You work 25 hours a week, you make $175.00.
c. You work 20 hours a week, and you make $175.00.
d. You work 20 hours a week, and you make $125.00.

The following conditional would be false in scenario c. You work 20 hours a week, and you make $175.00.