Receipt contents:
menu: nm: Kupon 9
price: 8,182
nm: Kupon 1
price: 20,000
nm: LARGE ICED LEMON TEA
price: 12,273
sub_total: subtotal_price: 40,455
tax_price: 4,046
etc: -1
total: total_price: 44,500
cashprice: Rp. 50,000
changeprice: Rp. 5.500