Gloria, a Cashier at the Local Grocery Store, Has Been

Gloria, a cashier at the local grocery store, has been switched from the day shift to the night shift. From speaking with her friends on that shift, Gloria has become prepared for the most obvious differences between the shifts. Which reality does she also need to be aware of?

A) to have more accidents
B) to have some family difficulties
C) to make more mistakes
D) to receive additional pay