George is considering investing in a frozen yogurt store. If the store does well he will make $20,0000, but if the store does poorly he will make only $10,000. There is a 50 percent chance of each outcome

The marginal utility of a third skirt is

A) three times the average utility of the three skirts. B) three skirts times the price of a skirt. C) the total utility of three skirts divided by three. D) the change in total utility from the third skirt.

The Congressional Budget Office estimates that most of the increase in federal spending on Medicare and Medicaid will be due to

A) increases in immigration. B) the aging population. C) declining income levels. D) increases in the cost of providing health care.