Receipt contents:
menu: nm: Sprite (L).
cnt: 1
price: 25,000
nm: Lemon Tea (L).
cnt: 1
price: 25.000
nm: Extra Jelly Lychee.
cnt: 2
price: 10,000
total: total_price: 60.000
cashprice: 100.000
changeprice: 40,000