You just received your final exam score from your teacher. At the top of the exam, it says you missed eleven questions and got 76 out of 87 questions correct, for a score of 86%. You think your teacher may have made an error when calculating your percentage.

If your teacher did make a mistake, what was most likely done incorrectly?

A. Your teacher divided 87 by 76 instead of 76 by 87.

B. Your teacher miswrote the number of questions missed; it should be nine.

C. Your teacher calculated the percentage of getting 67 out of 78 questions correct.

D. There was no mistake.