Where to put motive power in cost sheet?

What is the sequence of events that could lead to trade surplus

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

20. to add body to a hearty broth, you may use a. onions. b. pasta. c. cheese. d. water.