If a U.S. dollar exchanges for 0.6 English pounds, the dollar price of a pound is

In the above table, if the quantity sold by the firm rises from 6 to 7, its marginal revenue is

A) $15. B) $30. C) $90. D) $105.

A change in the wage causes a shift in the supply curve for labor and a

A) shift along the demand curve for labor. B) shift in the demand curve for labor. C) rotation in the demand curve for labor. D) It cannot be determined by the information provided.