The theory of comparative advantage states that:

a. productivity rises more quickly when countries produce goods and services for which they have a natural talent.

b. productivity decreases when countries produce goods and services based on their natural resources.

c. all countries start out on an equal playing field.

d. countries that operate under a policy of isolationism have a comparative advantage

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

Which statement is true of both presidential and parliamentary systems of government? a. the executive branch operates independently from the legislative branch. b. the members of the legislative branch are directly elected by the people. c. the head of government is chosen by members of his or her political party. d. the head of government is directly elected by the people

Which of the following would classify as a general education requirement