Germany and argentina produce two goods: barley and legumes. they are deciding whether they should engage in trade. given their agricultural resources, each can produce the following: germany: 1000 barley or 1200 legumes argentina: 700 barley or 1000 legumes. imagine sierra leone had the following production: 70 barley or 100 legumes. which of the following is true sierra leone can trade with argentina and both countries can gain from trade.
sierra leone can trade with germany and both countries can gain from trade.
sierra leone can trade with argentina but only sierra leone can gain from trade.
more than one answer is correct

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