In economic terminology, a normal good is a good A) on which a monetary value cannot be placed. B) that is liked only by normal people. C) for which demand increases when price increases. D) for which demand increases when income increases.

In the market for widgets, the supply curve is the typical upward-sloping straight line, and the demand curve is the typical downward-sloping straight line. the equilibrium quantity in the market for widgets is 250 per month when there is no tax. then a tax of $6 per widget is imposed. as a result, the government is able to raise $750 per month in tax revenue. we can conclude that the after-tax quantity of widgets has fallen by a. 25 per month. b. 50 per month. c. 75 per month. d. 100 per month.