Receipt contents:
menu: nm: PIS COK KEJU
discountprice: -2,300
price: 11,500
nm: COKLAT KEJU
discountprice: -2,200
price: 11,000
nm: BANANA KISMIS
discountprice: -2,400
price: 8,000
sub_total: subtotal_price: 23,600
total: total_price: 23,600
cashprice: 50,000
changeprice: 26,400