Receipt contents:
menu: nm: KFC DAY
cnt: 1
price: 34,545
nm: CHARGE TA
cnt: 1
price: 909
sub_total: subtotal_price: 35,454
tax_price: 3,546
total: total_price: 39,000
cashprice: 100,000
changeprice: 61,000
menuqty_cnt: 2