If Teri's T-Shirt Manufacturing Corporation implements a second 8-hour shift per day to produce t-shirts, then Teri's T-Shirt Manufacturing Corporation experiences

A shift outward to the right of the Production Possibilities Curve on the PPF due to growth.

An increase in efficiency due to an increase in employment of resources.

A decrease in efficiency due to an increase in unemployment of resources.

A shift outward to the right of the Production Possibilities Curve on the PPF due to loss.

No change in the production process.