If you double input, output more than doubles.

In the table above, the marginal product of the 5th worker is ________ units per week

A) 2 B) 5 C) 10 D) 19

The major disadvantage of commodity money is that

A) anybody can issue it and walk away. B) its value fluctuates with the scarcity of the commodity. C) it is subject to dollarization. D) the central bank cannot be prevented from issuing too much of it.