Question: If limited to one serving of each dish, what is the maximum amount a vegetarian customer can spend on a meal (eg:31 yuan)?
Clues:
1. The menu item "米饭" (Rice) is priced at "2元/份".
2. The menu item "橙汁/可乐/雪碧" (Orange Juice/Coke/Sprite) is priced at "4元/杯".
3. The menu item "黑卡" (Heika, a drink) is priced at "6元/瓶".
4. The menu item "千叶豆腐" (Thousand-layer Tofu) is priced at "6元/份".
5. The menu item "馋嘴凉粉" (Mouth-watering Jelly Noodle) is priced at "5元/份".
6. The menu item "卤蛋" (Braised Egg) is priced at "2元/个".
Answer: 23 yuan
Category: Planning and Consumption