79. One of the most powerful forms of direct advertising is: a) television and radio spot advertising. b) direct mail advertising. c) sign advertising. d) e-mail advertising. 80. One of the least expensive forms of personal advertising is: a) your name tag. b) magnetic car signs. c) business cards. d) classified ads. 81. Under certain conditions a seller may not be obligated to pay a brokerage commission on a sale under a/an: a) exclusive authorization and right to sell listing. b) open listing agreement. c) exclusive agency listing. d) seller is obligated to pay a commission under any contract of sale. 82. When an escrow fails to close, the licensee must: a) file a lawsuit to receive her commission. b) arrange for arbitration between the parties. c) arrange for mediation between the parties. d) have the parties sign a cancellation of contract form. 83. A licensee who advertises her home for sale with no intention of selling it is: a) using an effective prospecting technique. b) violating the TILA bait and switch law. c) not doing anything illegal if done by the employing broker. d) required to list the name of the employing broker in all advertising