A student buys only two goods pizza and books. The price of pizza is $5 and the price of books is $10. At the student's present level of consumption, her marginal utility of pizza is 4 and her marginal utility of books is 2. Currently, the student is spending all her income. A. Is this student currently in consumer equilibrium (maximizing utility)? Explain using a graph. B. What would this student have to do in order to increase her utility? Use the diagram from part (a) to explain your answer.

What could explain why a decrease in taxes could lead to a less-than-proportionate increase in output? a. as a result of diminishing returns to current consumption, consumers may choose to spread the extra spending over the long term rather than consuming the proceeds of a tax cut all at once. b. consumers may choose to save much of the tax cut in anticipation of having to pay higher taxes in the future. c. a decrease in taxes will necessitate lower government outlays, thus largely offsetting the higher consumption expenditures of households. d. all of the above. e. a and b only.