A.Read and listen to a dialogue or a passage twice and choose the best answer. Waiter: Anything else, sir? Guest: No, l'm afraid thats all. Bring me the bill, please. Waiter: Here it is, sir. That'll be RMB 256 yuan. Guest: Is the service charge included? Waiter: Yes, sir. We don't accept tips here. who's to pay? Guest: lt's on me. May I pay cash? Waiter: Sure, of course. We also accept checks and credit cards. Guest: Here is 300 yuan. Waiter: Thank you. Here is your change. Count it, sir. Guest: Thank you for your kind service. See you later. Waiter: We hope to serve you again soon. Good night! Question1: how much is the totao?