The marginal productivity theory states that if a firm operates in a perfectly competitive factor market, it pays each factor of production its marginal revenue product. however, this theory may fail to hold if factor markets are not competitive. one means by which factor markets may fail to be competitive is if there is imperfect information. which of the following are ways in which firms seek to overcome information problems? select all that apply. a) only hiring workers who have earned good grades in college. b) always hiring from the outside to avoid being accused of discrimination. c) promoting workers from within the company who have shown themselves to be productive, rather than hiring from outside.

Lauer corporation uses the periodic inventory system and has provided the following information about one of its laptop computers: date transaction number of units cost per unit 1/1 beginning inventory 210 $ 910 5/5 purchase 310 $ 1,010 8/10 purchase 410 $ 1,110 10/15 purchase 255 $ 1,160 during the year, lauer sold 1,025 laptop computers. what was cost of goods sold using the lifo cost flow assumption?

John and daphne are saving for their daughter ellen's college education. ellen just turned 10 at (t = 0), and she will be entering college 8 years from now (at t = 8). college tuition and expenses at state u. are currently $14,500 a year, but they are expected to increase at a rate of 3.5% a year. ellen should graduate in 4 years--if she takes longer or wants to go to graduate school, she will be on her own. tuition and other costs will be due at the beginning of each school year (at t = 8, 9, 10, and 11).so far, john and daphne have accumulated $15,000 in their college savings account (at t = 0). their long-run financial plan is to add an additional $5,000 in each of the next 4 years (at t = 1, 2, 3, and 4). then they plan to make 3 equal annual contributions in each of the following years, t = 5, 6, and 7. they expect their investment account to earn 9%. how large must the annual payments at t = 5, 6, and 7 be to cover ellen's anticipated college costs? a. $1,965.21b. $2,068.64c. $2,177.51d. $2,292.12e. $2,412.76

An airline estimates that 98% of people booked on their flights actually show up. if the airline books 61 people on a flight for which the maximum number is 59 (the capacity of the plane), what is the probability that the number of people who show up will exceed the capacity of the plane?