If you deposit $1,000 into a savings account that pays you 5% interest per year, approximately how long will it take to double your money?

Which component of federal spending is included in GDP?

A) transfer payments B) government purchases C) net exports D) capital supply

Some people view cosmetic surgery (c) and facials (f) as perfect substitutes as measured by the utility function U(c,f) = 5c + 10f. What is the marginal utility of cosmetic surgery?

A) MU = 5. B) MU = 10. C) MU = 15. D) None of the above.