13. Rectify the following errors which were detected before preparing the Trial Balance:

(i) Purchase book has been overcast by ₹1,000.

(ii) Purchase from Ram ₹20,000 has been omitted to be posted to his account. 

(iii) Purchase from Shyam ₹15,000 has been posted to the debit side of his account.

(iv) Purchase from Ghanshyam ₹10,000 has been posted to his account as ₹1,000.

(v) Purchase from Sita Ram ₹5,000 has been posted to his account as 50,000