The correct answer is option D: A Haggle
If a buyer is haggling a seller for a better price and the seller holds its ground it means that the act of haggling demonstrates they both have competing interests since one of them is interested in buying for a lower price while the other is interested in selling for a higher price.
<span>An incentive is "Something, such as the fear of punishment or the expectation of reward, that induces action or motivates effort."</span>