Counterfeit Note Riddle: How Much Loss Did the Shopkeeper make?

This seems like a very simple riddle but is a bit confusing so read it carefully think and then give the final answer.

A lady buys groceries worth Rs.350 from a shop. (shopkeeper selling the goods with zero profit)

The lady gives him a 2000 rs note. The shopkeeper gets the change from the next shop, keeps 350 for himself and returns Rs.1650 to the lady.

Later the shopkeeper of the next shop comes with the Rs.2000 note saying “duplicate” and takes his money back.
“How much LOSS did the shopkeeper face ?”

A. 350
B. 1650
C. 2350
D. 3650
E. 4350
F. 2000

So were you able to solve the riddle? Leave your answers in the comment section below.

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Loss of first shopkeeper = (Profit of the lady + Profit of the second shopkeeper)

Loss of the shopkeeper = What he gave to others - what he took.