If the shopkeeper keeps the marked price of an article to Rs. 2500 and says to give two successive discounts of 15% and 20% and still manages to earn a profit of 10%, find the cost price of the article? 1. Rs. 1525.45 2. Rs. 1545.45 3. Rs. 1595.65 4. Rs. 1625.45 Rs. 1725.45 5.