Receipt contents:
menu: nm: ZUPPA SOUP
num: 05130000
price: 28,600
nm: CHILLY N'CHEESE
num: 04010000
price: 33,000
nm: BEEF CHEDDAR PO
num: 04080000
price: 36,300
nm: MINERAL WATER
num: 13100000
price: 6.600
total: total_price: 104.500
cashprice: 105,000
changeprice: 500