Rectify the following errors? a) Purchases of goods of 50,000 from Ford recorded as sales return. b) Sales of goods of 1,50,000 to Rabindra recorded as purchases in the book. c) Paid cash to Sohan 65,000 recorded in the credit side of Sohan as 56,000. d) Sales return book over cast by 6700. e) Rent paid to land lord 5500 debited to rent account 4500. f) Salary paid to clerk 6800 recorded to debit side of clerk.