Suppose Latvia and Estonia each produce only two goods, tractors and bobsleds. Both are produced using labor alone. Assuming both countries are at full employment, you are given the following information Latvia: $20$ units of labor required to produce $1$ tractor $4$ units of labor required to produce $1$ bobsled Total labor force $1,000,000$ units Estonia: $15$ units of labor required to produce $1$ tractor $10$ units of labor required to produce $1$ bobsled Total labor force $750,000$ units Consider the production possibility frontiers for each country in the absence of trade if bobsleds are on the y$-$axis and tractors are on the x$-$axis. and a horizontal intercept of Latvia's production possibility frontier is a fine with a vertical intercept equal to Estonia's production possibility frontier is a line with a vertical intercept equal to and a horizontal intercept of