Rectify the following errors:
(i) Wages paid to the firm's workmen for making certain additions to machinery amounting to Rs. 5,500 were posted to Wages Account.
Credit purchase of goods of Rs. 1,500 from Mohan & Co. was not recorded in the books although the goods were taken into stock.
(iii) Goods returned of Rs. 500 by Mohan was entered in the Purchases Return Book.
(iv) Return of goods of Rs. 800 to Sohan was passed through the Sales Return Book.
(v) Credit Sale of goods to Sunil amounting to Rs 5,000 was posted to the account of Surmail.