After a rather unfortunate visit to the local hair salon, Janet asks John if the hair on the back of her head has been trimmed evenly and smoothly. John observes was not and actually she has bald spots as a result of her haircut. According to Immanuel Kant's theory of ethical theory of categorical imperative ethical decision making regime, which one of the following statement should John make?
A) "You need to be more careful when cutting hair."
B) "I'm sorry, but your haircut didn't turn out as expected."
C) "I observed bald spots in your hair, and I apologize for the mistake."
D) "I'm not responsible for the outcome of your haircut."