Ian participates in a 401(k) plan at work. For every $1 Ian contributes to the plan, his employer adds 50 cents. Employer contributions end after employees contribute $2,500 to the plan. Last year, Ian contributed $75 to his plan each week. What was the total amount of contribution (employee + employer) to his plan last year?

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