Indicate whether each of the following statements is true or false. statement true false two countries can gain from specialization and trade as long as they have different opportunity costs in the production of some goods. the gains from specialization and trade are based on absolute advantage. if a certain trade is good for one country, it must be good for the other country. two individuals can benefit from trade even if neither has a comparative advantage in some activity. workers in importing industries are likely to oppose trade

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i. e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?