Receipt contents:
menu: nm: ROTI "0"
unitprice: 10.000
cnt: x 3
price: 30.000
nm: SHOPPING BAG ROTI'O' 370/
unitprice: 0
cnt: x 1
price: 0
sub_total: subtotal_price: 30.000
discount_price: 0)
etc: 0
total: total_price: 30.000
cashprice: 50.000 50.000
changeprice: 20.000
menuqty_cnt: 4