The following errors were found in the books of Metro. Rectify them.

(a) 1,000 paid for the purchase of machinery charged to the office expenses account.

(b) 500 received from Vijay has been wrongly entered in Vinod's account.

(c) Goods worth 169 purchased from Kamath stores in the latter account was actually debited by 196.

(d) Repairs were debited to machinery account 200.

(e) The total of the discount column on the credit side of the cash book was under cast by 30.

(f) An amount of 400 withdrawn by the proprietor for his personal use was debited to the general expenses account.