A Lady buys goods of Rs. 200 from a shop and gives Rs. 1000 note to the shopkeeper. The shopkeeper gives gets the change from the next shop, keeps Rs. 200 for himself and returns Rs. 800 to the Lady. The Lady then leaves the shop with her purchased goods. After some time, the next shop owner returns the Rs. 1000 note saying it is "duplicate/fake" and takes his money back. Now, how much total loss did the shopkeeper had to suffer??
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