ิB: sure. do you think that the total is wrong or that you got something marked wrong that should have been marked right ?
A: I think that the percentage is incorrect.
B: Let's just go over all of it to doubie-check.
A: Sure, let's do it.
B: Here is the answer sheet. Do you see a planc where I marked something wrong that should have been right?
A: I don't see any mistakes.
B: OK, now that we've gotten those straightened out, let's total the score.
A: Yes, let's total it.