CONSUMER SURPLUS AND PRODUCER SURPLUS

CONSUMER SURPLUS
      Consumer surplus means the difference of conusmer willing to pay and actually he pays 
  For example:- A person went to garments shop     and want to buy a shirt which is rs 800 but he want to pay rs 600 only so he asked it for rs 400.Then seller says take it for rs 500 then he took the shirt for rs 500.
  From the above example we can observe that customer willing  to pay rs 600 but he pays rs 500 the balance rs 100 is called conusmer surplus
PRODUCER SURPLUS
  Producer surplus means the difference of producer willing to sell and actually sold
  For example:- A person came to store and asked a shirt then producer willing to sell it for rs 1000 so he said it is rs 1200 and customer paid it without bargaining.
  From the above example we can observe that producer willing to sell the shirt for rs1000 but he actually get rs1200 it means the balance rs200 is producer surplus