Mariah Is Getting Used to Having a Cell Phone

Multiple Choice

Mariah is getting used to having a cell phone. This first month she was surprised by several extra charges on her bill, and called her cell phone service provider.
-The customer service agent explained that one of the charges was because she went over her allotted minutes for the month. This appeared as ____ on Mariah's invoice.

A) roaming fees
B) additional minutes fees
C) rollover fees
D) data usage fees