A machine was bought on 1^st January, 1994 for Rs. 10,000. Its working life was estimated to be four years. The method of depreciation used is the 'sum of the year digit'. The machine was discarded and sold on 30^th June, 1996 for Rs. 1,000. The profit/loss on sale of the discarded machine was:

A. Rs. 1,120 loss

B. Rs. 2,250 loss

C. Rs. 1,500 loss

D. Rs. 1,000 loss

Answer: Option D