Given the Production Possibilities Schedule in the Above Table, a Combination

Given the production possibilities schedule in the above table, a combination of 60 televisions and 40 portable devices

A) is attainable but involves an inefficient use of society's resources.
B) would be attainable only if a new technology of producing televisions or portable devices were introduced.
C) is not attainable because it is not listed in the schedule.
D) is not attainable because society does not have enough resources to produce this combination.