Receipt OCR text:
1 @20,000
TT 20,000
TOTAL 20,000
CASH 50,000
CHANGE 30,000

Extracted structured data:
menu: nm: TT
unitprice: @20,000
cnt: 1
price: 20,000
total: total_price: 20,000
cashprice: 50,000
changeprice: 30,000