Interpersonal skills are close to emotional intelligence. You need to understand other people, their motivations, and their state. You need to know timing, because if you ask people something on the wrong time, the answer will always be no. You have to self control and understand that what matters to you, it does not have to matter for another person. Everyone is different and you have to respect that if you want to be respected.
<span>The question is 'self interest motivate producers to offer ............ products. The correct option is B. In market situations, producers' self interest, which is the desire to make more profit, always motivate producers in supplying products that are more expensive. The profit margins of producing more of an expensive product is usually higher compared to other less expensive products.</span>