Ten cases of spring water are sold for $6 each, and the marginal product of the last unit of labor is 5 . If the price of a case increases from $6 to $8, then the marginal revenue product of the last unit of labor would

All else equal, the decrease in the price of complementary products for the Apple Watch, such as Sensoria's wearable technology, would

A) shift the demand curve for the Apple Watch to the left. B) shift the supply curve for the Apple Watch to the left. C) shift the supply curve for the Apple Watch to the right. D) shift the demand curve for the Apple Watch to the right.

Which of the following is an advantage of fixing exchange rates?

A) limiting foreign exchange risk B) making residents more mobile across countries C) eliminating trade deficits D) making the prices of foreign goods more flexible in the domestic market