Jeff starts writing a report for one of his classes. since the report is similar to a previous one he has written, he opens the previous report, makes changes, and re-saves the report, replacing the earlier version. later he discovers that he still needs the first report. which aspect of his resource (the first report) has been compromised?

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