Correction: Record the transaction according to double-entry rules.
Correction: Record the transaction according to double-entry rules with TWICE the amount.
Correction:
(i) Reverse the entry made in the wrong account.
(ii) Record the entry in the correct account.
Correction: Record the difference.
Tip: In your workings, focus on the account that is easier to visualise (e.g. Assets accounts such as cash at bank, cash in hand, inventory or Income accounts e.g. sales revenue, rent income etc)
Correction:
Add the amount to both accounts if undercast/ understated.
Minus the amount from both accounts if overcast/ overstated.