Receipt contents:
menu: nm: KFC Winger HC
cnt: 1
price: 20,000
nm: Rice
cnt: 1
price: 6,364
sub_total: subtotal_price: 26,364
tax_price: 2,636
total: total_price: 29,000
cashprice: 30,000
changeprice: 1,000
menuqty_cnt: 2