If the price level was 100 in 2014 and 102 in 2015, the inflation rate was

Over the years, U.S. government spending has ________

A) increased but government revenue has decreased B) decreased but government revenue has increased C) decreased and government revenue has also decreased D) increased and government revenue has also increased

Colin spends his income of $100 per week on two goods: pizzas (which cost $8 each) and milk (which costs $1 per gallon)

At his current level of consumption, the marginal utility from the last pizza consumed is 32 and the marginal utility from the last gallon of milk is 4 . Is Colin maximizing his utility? Why or why not? If not, what should Colin do to achieve a higher level of utility?