Check for $10 incorrectly charged by bank as $100. Is this an addition or reduction on the bank or company side of a bank reconciliation

On the bank reconciliation sheet this would be a reduction because on the customers side it was a debit, which turns into a credit once given back and the bank must perform a reduction to account for the error on the statement sheet

if it is for a job, then you should learn everything you can about the job, like what does it involve, what qualification is required and how you are the right person for that job. dress appropriately for the interview. get plenty of rest the night before. good luck!