Arnaud’s provisional profit for the year was $\$17\,000$. His actual correct profit was $\$17\,400$. What mistake had been made?
- AA purchases invoice for $\$2600$ had been recorded in the purchases journal as $\$2200$.
- BA sales invoice for $\$2600$ had been recorded in the sales journal as $\$2200$.
- CDiscount allowed of $\$400$ had been posted to the credit side of the discount allowed account.
- DDiscount received of $\$400$ had been posted to the debit side of the discount received account.