Receipt contents:
menu: nm: GONG GIBAB
cnt: 1
price: 20,000
nm: BO SSAM
cnt: 1
price: 320,000
nm: HAEMUL DENJANG JJIGAE
cnt: 1
price: 85,000
nm: MULNAENGMYO N
cnt: 1
price: 85,000
sub_total: subtotal_price: 510,000
discount_price: 0
service_price: 35,700
tax_price: 54,255
total: total_price: 599,955