5. Rectify the following errors:

1. Credit Sales to Mohan ₹7,000 were recorded in purchases book.
2. Credit Purchases from Rohan ₹900 were recorded in sales book.
3. Goods returned to Rakesh ₹4,000 were recorded in the sales return book.
4. Goods returned from Mahesh ₹1,000 were recorded in purchases return book.
5. Goods returned from Nahesh ₹2,000 were recorded in purchases book.