Pat, the buyer's agent, was told by the prospective buyer to present an offer of $150,000 with the promise that he would increase it to $152,000 if the seller rejected $150,000. Pat must
a. Present the offer and disclose the promise to increase the offer
b. Keep the confidence of his buyer while presenting the $150,000 offer
c. Refuse to present the offer
d. Tell her broker of the verbal part of the offer
