The cost price of two articles is Rs 2100 and the selling price is same. One of them was sold at 30 per cent profit and the other at 20 per cent. What will be the cost price of the article sold at a loss?

• A. 1400 रू0
• B. 1500 रू0
• C. 13000 रू0
• D. 1300 रू0