Which of the following U.S. marketing managers is about to make a serious mistake?
A. "We are targeting 50-59 year olds because we see this group as the fastest growing age group over the next decade."
B. "We are refocusing on senior citizens, since they will be a growing market for many years.
C. "We are developing special swimsuit designs for older women as that market is very large and growing.
D. "Our company is shifting to international markets, where the population will continue to grow at a more rapid rate.
E. None of these marketing managers seems headed for a mistake.