Suppose that a nation currently is producing combination Upper C

C in the table below and on the graph of the production possibilities curve to the right. What is the opportunity cost of producing 3.0

3.0 million more smartphones and moving to production combination Upper B

B?

Combination

Smartphones

(millions peryear)

Tablets

(millions peryear)

A

50.0

0

B

48.0

10

C

45.0

20

D

40.0

30

E

33.0

40

F

22.5

50

G

0.0

60

The opportunity cost of producing 3.0

3.0 million more smartphones and moving from production combination Upper C

C to production combination Upper B

B is

nothing

million tablet devices per year. (Enter your response as a wholenumber.)