18. Give the rectifying entries of the following:

(i) Sales of ₹20,000 to Sunil was recorded as ₹2,000 in the Sales Book.

(ii) An amount of ₹35,000 spent for the extension of machinery has been debited to the Wages Account.

(iii) Discount received from Ram & Co. ₹350, has not been entered in the discount column of the Cash Book.

(iv) Goods of ₹3,000 sold to Mahesh were recorded in the Purchases Book.