Receipt contents:
menu: nm: CHOCOLATE ECLAIR
cnt: 1
price: 13,000
nm: DOUBLE CHEESE PAN BREAD(L
cnt: 1
price: 37,000
nm: WHOLE WHEAT PAN BREAD
cnt: 1
price: 20,000
total: total_price: 70,000
cashprice: 100,000
changeprice: 30,000