a prospective buyer wants to make an offer on an office building listed by broker bob. bob thinks that the buyer would qualify for financing and would bring needed tenants to the area. the buyer asks bob how much money below the asking price he should offer. what should bob do? a) tell the buyer to make a low offer and test the seller's response. b) advise the buyer to obtain the services of a buyer-broker before making an offer. c) encourage the buyer to make an offer that is favorable to the seller. d) reaffirm the asking price and explain why it is a fair price.