Receipt contents:
menu: nm: TWIST ORANGE CHOCO DONUT
cnt: 2
price: 20,000
nm: CHOCOLATE TWIST
cnt: 2
price: 32,000
nm: REAL CHOCOLATE ROLL
cnt: 1
price: 16,000
nm: CHOCOLATE SOBORO
cnt: 2
price: 28,000
total: total_price: 96,000
cashprice: 100,000
changeprice: 4,000