The totals in a trial balance failed to match, so $200$ was entered on the debit side of a suspense account. The book-keeper then examined the records and discovered the following two mistakes. 1. A sales invoice for $700$ had been entered in the sales journal as $770$. 2. The sales journal had been added up incorrectly. What mistake was made when the sales journal was totalled?
- Aovercast by $130$
- Bovercast by $200$
- Cundercast by $130$
- Dundercast by $200$