Cause and effect for the story GIFT AND THE MAGI. For brain list plz

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.

i would say b. research typically uses a variety of sources

what is the question you are trying to ask?