Suppose that businesses initially hire private guards. Then subsequently the government provides free police protection, which substitutes for the private guards. Assume that the private guards and public police are equally efficient and receive the same wage rates. How does the switch from private to public protection affect measured real GDP

Andy purchases only two goods, apples (a) and kumquats (k). he has an income of $125 and can buy apples at $5 per pound and kumquats at $5 per pound. his utility function is u(a, k) = 6a + 2k. what is his marginal utility for apples and his marginal utility for kumquats? andy's marginal utility for apples (mu subscript a) is mu subscript aequals 6 and his marginal utility for kumquats (mu subscript k) is