Receipt contents:
menu: nm: TROPICAL PUNCH
cnt: 1
price: 30,000
nm: SOUP 50%
cnt: 1
price: 7,273
nm: SALAD BAR 50%
cnt: 1
price: 17,273
sub_total: subtotal_price: 54,546
tax_price: 5,454
total: total_price: 60,000