You have good will if
You have good will if
You might do the right thing for the wrong reason (like Kant's grocer who gives correct change out of self-interest).
To have good will, you must do something because it's the right thing to do.
You have good will if
The goodness of your will depends on the reasons behind your action.
To have good will, you must do something because it's the right thing to do.
You have good will if
You might act for bad motives (and thus not have good will), while yet by accident your action has good consequences.
The goodness of your will depends on the reasons behind your actions -- not on action's actual consequences (which are often beyond your control).
You have good will if
Just one answer is correct.