Receipt contents:
menu: nm: Silky Green Tea
unitprice: 12,500
cnt: 1x
price: 12,500
nm: Silky Hazelnut
unitprice: 12,500
cnt: 1x
price: 12.500
sub_total: subtotal_price: 25.000
total: total_price: 25,000
total_etc: 25,000
changeprice: 0