If 1 U.S. dollar exchanges for 1.89 Australian dollars, how much would it cost in U.S. dollars and cents to purchase an Australian video priced at 40 Australian dollars?

Suppose a developing country receives more machinery and capital equipment as foreign entrepreneurs increase the amount of investment in the economy. As a result,

A) the economy will move down along the long-run aggregate supply curve. B) the economy will move up along the long-run aggregate supply curve. C) the long-run aggregate supply curve will shift to the right. D) the long-run aggregate supply curve will shift to the left.

Consider a world of two countries facing opportunity costs and producing only wheat and cloth. In one hour, residents of Country A can produce a maximum of either 1 unit of wheat or 0.5 unit of cloth,

whereas residents of Country B can produce a maximum of either 0.3 unit of wheat or 0.4 unit of cloth. Country B should export A) wheat and cloth; country A should not export anything. B) wheat and country A should export cloth. C) nothing and country A should export both wheat and cloth. D) cloth and country A should export wheat.