Help with rectification of errors problem

RishebhKumar (Studying) (128 Points)

11 May 2012  

Q1. Goods sold to ram for Rs. 1000 was wrongly posted from sales day book to the debit of purchase account.(Before prep. of Trial Balance)

 

I know the answer "By wrong posting on Rs.1000 in credit of purchase account and By ommission of posting on Rs.1000 in the credit sales account"

But i haven''t understand the language of the question and what wrong happened in the question 

Plz tell me in detail.....

Thanks  in advance