Credence qualities of a service are difficult to evaluate before purchase, but easy to evaluate after consumption

Which of the following is true of the baby boomers?

A) They tend to see themselves as far older than they actually are. B) They represent a rapidly shrinking market for new housing and home remodeling. C) They are long past their peak earning and spending years. D) They control an estimated 70 percent of the United States' disposable income. E) They have utter fluency and comfort with digital technology.

How long is the scope of time for operational control typically?

A) daily B) weekly C) monthly D) yearly