Receipt contents:
menu: nm: 4003-Blueberry Fuji
unitprice: 40.000
cnt: x1
price: 40.000
nm: 6001-Plastic Bag Small
unitprice: 0
cnt: x1
price: 0
total: total_price: 40.000
cashprice: 50.000
changeprice: 10.000
menuqty_cnt: 2