Although Teenagers Do Not Have the Income of Older Consumers,they

Although teenagers do not have the income of older consumers,they are still an attractive marked based on income.Why?

A) Because they have less money, they are more careful of how they spend it.
B) Parents lead the teenagers into what they buy; hence any understanding of adult buying patterns can be useful for teenagers as well.
C) Teenagers have more consumer confidence and are, therefore, more likely to be swayed by promotional material.
D) Teenagers don't have the income of adults, but it's almost all discretionary, meaning that they can spend it as they see fit.