Deontological ethics, as far as I'm aware of derives morality from the actions rather than the consequences. But what if the action in question isn't necessarily right or wrong?
Suppose Kant walked into an ice cream store. He knows that his favorite flavor is chocolate, his mother and father both like vanilla. Both flavors being provided in the store. He knows that he can only afford one unit of ice cream, of which he will proceed to share with his two parents.
How would one determine morality in this sort of situation using deontological ethics?