Receipt contents:
menu: nm: TALAM UNGU
unitprice: @6500
cnt: 3X
discountprice: -7,800
price: 19,500
nm: MIKA KECIL
unitprice: @0
cnt: 1X
price: 0
sub_total: subtotal_price: 11,700
total: total_price: 11,700
cashprice: 20,000
changeprice: 8,300
menuqty_cnt: 4.00xITEMs