Receipt contents:
menu: nm: Roasted Milk Tea
cnt: 1
price: 21.000
sub_nm: +R + Less Big Bubble + 70%
sub_price: 4.000
sub_total: subtotal_price: 25.000
tax_price: 2.500
total: total_price: 27.500
cashprice: 50.000
changeprice: 22.500