Rajan sold an article to Shyam at a profit of 20%, Shyam sold it to Mohan at a loss of 10%, while Mohan sold it to Ratan at a profit of 12.5%. If Ratan purchased the article for ₹1,215, then at what price did Rajan purchase it?

₹1,000

            Rajan                      Shyam                      Mohan                          Ratan

CP       100  -----20%P-------120-----10%L---------108--------12.5%P----------121.5

            ⇓×10                                                                                          ⇓×10

           1000                                                                                           1,215(Given)