Indian economy right now how grow up?

 

 In a particular economy, currency held by the public is 1,000 shekels, bank reserves are 200 shekels, and the desired reserve-deposit ratio is 0.2. what is the money supply? How is the money supply affected if the central bank prints 100 shekels and uses this new currency to buy government bonds from the public? Assume that the public does not wish to change the amount of currency it holds.