Receipt contents:
menu: nm: Kuey Teow Goreng Singapore
unitprice: 43,000
cnt: 1x
price: 43,000
nm: Tea (Ice)
unitprice: 12,000
cnt: 1x
price: 12,000
sub_total: subtotal_price: 55,000
service_price: 2,750
tax_price: 5,775
etc: -25
total: total_price: 63,500
cashprice: 70,000
changeprice: 6,500