If swimming pools are public goods, then state governments to provide them

Consider two people, Sandy Roos, who earns $25,000 . and Gary Behrman, who earns $50,000 . If the current flat-tax rate is 20 percent, then

a. Gary would prefer a poll tax to a flat tax b. Sandy would prefer a poll tax to a flat tax c. Gary and Sandy both pay the same amount of tax d. Sandy would prefer the flat tax to a progressive income tax e. Gary would prefer a progressive income tax to the flat tax

The intersection of the x axis and the y axis is called the

A. "zero" point. B. "meeting point." C. origin. D. corresponding point.