4. The success of the low-ball technique is attributed to which psychological principle? A. Commitment because once an individual commits to one request, they are likely to commit to almost anything B. Commitment because once an individual commits to one request, they are more likely to commit to a similar request even if the details are altered C. Reciprocity because once an individual does someone a favor, they know they owe the other person a favor back D. Reciprocity because once a person is close to accepting a fair deal, it's only fair that they should agree to a similar deal, even if some of the details are changed