Two isolated nations, alphaland and betaton, are considering opening their borders to trade with each other. both nations consume only two goods: salt and pepper. alphaland can produce either 80 tons of salt per day or 5 tons of pepper per day, while betaton can produce either 3 tons of salt per day or 1 ton of pepper per day. which trade ratios would make both nations better off? correct answer(s) 2 tons of salt for 1 ton of pepper 5 tons of salt for 1 ton of pepper 20 tons of salt for 1 ton of pepper 10 tons of salt for 1 ton of pepper