Amy is a young woman who is very competitive and comes from a high-achieving, wealthy family. She is very social and likes the fact that she is quite popular. She believes that her popularity is dependent on the weight and shape of her body. Amy has a boyfriend but worries that she may care more about their relationship than he does. The feature that puts Amy most at risk for an eating disorder is her

a) belief that her weight and body shape influence her popularity'

Explanation:

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.