Where does wife spend the money?

Husband : Too much expenses this month. Where did you spend.
..
Wife : I have written everything. You can check the details.

Husband : Show me.

Wife :
1500- milk
900 - PNKG
4000- veggies
1100 - PNKG
1800 - washerman
500 - PNKG
3500 - maid
800 - PNKG
6000 - grocery
1500 - PNKG
1800 - electric & water
1000 -PNKG
..
..
..
Husband : What is this PNKG ???
..
..
..
Wife : Pata Nahi Kidhar Gaye!! 😜😂😝