Marysol just had a new baby. She is very tired because has to get up every 2 hours to feed the baby. But Marysol has to get used to this new routine because she will have to do this for a long time. Based on this information, Marysol is most likely experiencing .

A major life stressor

Explanation:

Major life stressors are changes that occur in a person life that often causes stress .Giving birth to a baby by Marysol is a new experience which is capable of affecting her previous routine of doing things .She now has responsibility to cater for the baby and since ,this is a new experience for her it is capable of giving her stress .

A Major life stressor

Explanation:

Major life stressors are events or experiences that produce severe strain. Life stressor might include situations  such as failure on the job, marital separation, and loss of a loved person etc.

Based on the situation that  Marysol is in , It can be said that she is experiencing a major life stressor.  

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.