Prodigy placement is a private elementary school located in the center of manhattan. students at the school are considered in the top 1% of their age group in terms of iq scores and aptitude. parents who want to send their children to the school must get on a waiting list as soon as the child is 12 months old and must make a deposit of $5,000 to the school in order to hold the child's "application" until they reach the age of 5 years. emma's parents put her on the waiting list at the age of 1 year and paid the deposit; however, when emma became 5 years old, she did not want to attend the school even though she tested above the requirement. her parents made the decision to enroll her for the upcoming school year. in this case, emma part of the market for prodigy placement, and her parents part of the market because