Receipt contents:
menu: nm: BL1 M LW
num: LP5201
unitprice: 70,000
cnt: 1
discountprice: -31,500
price: 70,000
nm: WH3 M LW
num: LP5978
unitprice: 70,000
cnt: 1
discountprice: -31,500
price: 70,000
nm: RE5 M LW
num: LP5978
unitprice: 70,000
cnt: 1
discountprice: -31,500
price: 70,000
sub_total: discount_price: 94,500
total: total_price: 115,500
creditcardprice: 115,500