The National Ambient Air Quality Standards have been developed for every air pollutant emitted by industry that contributes to air pollution and that may endanger public health and welfare

When an item of revenue is collected and recorded in advance, it is normally called a(n) ___________ revenue.

a. accrued b. prepaid c. unearned d. cash

Which of the following summary measures is affected most by outliers?

A) the first quartile B) the second quartile C) the third quartile D) None of the above