The marginal revenue received by a perfectly competitive firm is greater than the price of a good

Professor I.M. Dismal returns to campus in the fall to find that the bookstore is charging 10% more for the new economics textbooks he ordered this year compared to last year

On the basis of this information, and using the economic way of thinking, what can Professor Dismal clearly conclude? A) The economy has experienced a 10% inflation over the year. B) The economy has experienced a 10% deflation over the year. C) The economy has experienced a disinflation over the year. D) The economy has experienced a steady price level over the year. E) The bookstore is charging 10% more for the new textbooks he ordered this year compared to last year.

If the U.S. has a capital account surplus, it means that

A. foreigners purchase more of U.S. assets than U.S. residents purchase foreign assets. B. U.S. exports of capital goods exceed its imports of capital goods. C. U.S. residents purchase more foreign assets than foreigners purchase U.S. assets. D. the quantity supplied of U.S. financial assets exceed the quantity demanded.