Receipt contents:
menu: nm: [MD] SOFT STEAMED CHOCOCA
cnt: 1
price: 10,000
nm: [MD] SOFT STEAMED CHEESEC
cnt: 1
price: 10,000
nm: [MD] MINI CASTELLA ORIGIN
cnt: 1
price: 11,000
nm: REDBEAN BREAD
cnt: 2
price: 18,000
total: total_price: 49,000
cashprice: 100,000
changeprice: 51,000