Task: Question Answering
Input (English): Question: On Charlie's cell phone plan, he signed up for 8GB of data per 4 week period. If he went over the 8GB per month, it would cost him an extra $10 per GB.
In the first week, he used 2 GB; in the 2nd week, he used 3 GB; in the 3rd week, he used 5 GB; and in the 4th week, he used a whopping 10GB.
How much extra did Charlie need to pay on his cell phone bill?

 Option A: $120

 Option B: $40

 Option C: $80

 Option D: $100

 Option E: $140
Output (English): Option A