(a) Credit sales to Mohan Rs. 7,000 were not posted.
(b) Credit purchases from Rohan Rs. 9,000 were not posted.
(c) Goods returned to Rakesh Rs. 4,000 were not posted.
(d) Good returned from Mahesh Rs. 1,000 were not posted.
(e) Cash paid to Ganesh Rs. 3,000 was not posted.
(f) Cash sales Rs. 2,000 were not posted.