Outcome

[Guest]

A lady buys goods
worth N200
from a shop.
(shopkeeper selling the
goods
with zero profit)
The lady gives him
1000 Naira note.
The shopkeeper gets
the change
from the next
shop and keeps 200 for himself
and returns
N800 to the lady.
Later the shopkeeper of
the next
shop comes
with
the 1000 Naira note
saying
"duplicate" and takes his money back.
How much LOSS did the shopkeeper face.?

[Guest]

1000