Receipt contents:
menu: nm: AREM - AREM
unitprice: @8000
cnt: 1X
discountprice: -3,200
price: 8,000
nm: LEMPER
unitprice: @9000
cnt: 1X
discountprice: -3,600
price: 9,000
nm: PLASTIK KECIL
unitprice: @0
cnt: 1X
price: 0
sub_total: subtotal_price: 10,200
total: total_price: 10,200
cashprice: 20,000
changeprice: 9,800
menuqty_cnt: 3.00xITEMs