Receipt contents:
menu: nm: CHIKATSU BEN
unitprice: 20,000
cnt: 10X
price: 200,000
nm: BOX T. O
unitprice: 1,000
cnt: 10X
price: 10,000
nm: OCHA
unitprice: 4,000
cnt: 10X
price: 40,000
sub_total: subtotal_price: 250,000
tax_price: 25,000
total: total_price: 275,000
cashprice: 300,000
changeprice: 25,000