It is important because nobody was made better than enyone els
Providing the costumer with the choice between refund or a replacement, is the best answer.
Letter C is the correct answer.
A self-fulfilling prophecy is an unbased expectation (either positive or negative) of one person towards another person (or event) that leads this person to act or behave accordingly. In this case, a dyslexic person can read if he/she makes an extra effort to do so. However, his/her belief someone's false prophecy can lead him/her to become illiterate.
Research suggests that negotiators may naturally negotiate differently when they are with people from their own culture than when they are with people from other cultures is true. Hope this helped! :)