Give the Journal entries to rectify the following errors:
(i) Purchases Book was overcast by Rs. 1,000.
(ii) Installation charges on new machinery purchased Rs. 500 were debited to Sundry Expenses Account as Rs. 50.
(iii) Radhey Shyam returned goods worth Rs. 500 which was entered in the Purchases Return Book.
(iv) Goods taken by the proprietor for Rs. 5,000 have not entered in the books at all.