Mary expects her friends to always be supportive of her, no matter what they have going on and to understand when she is too busy to them. sarah expects that her friends will often disappoint her and not be there for her when she needs someone to listen. it seems that mary and sarah's are different.

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.

the density would be a smaller number.