Receipt contents:
menu: nm: Arem Arem
unitprice: 12.000
cnt: 2
price: 24.000
nm: Pepenero Pastel
unitprice: 15.000
cnt: 2
price: 30.000
sub_total: subtotal_price: 54.000
tax_price: 5.400
total: total_price: 59.400
cashprice: 100.000
changeprice: 40.600