Rectify the following errors:
(a) Credit Sales to Mohan ₹ 7,000 were recorded in purchases book.
(b) Credit Purchases from Rohan ₹ 9,00 were recorded in sales book.
(c) Goods returned to Rakesh ₹ 4,000 were recorded in the sales return book.
(d) Goods returned from Mahesh ₹ 1,000 were recorded in purchases return book.
(e) Goods returned from Nahesh ₹ 2,000 were recorded in purchases book.