2019 年 4 月 12 日 Mary 到 Black’s Bakery 买面包,根据下列对话帮售后员 Sara 填写一份发票。 Sara : Good morning. May I help you? Mary: I’d like to buy some bread. Sara: Sorry. Today the bread is sold out. But we have cookies. Mary: How much is the cookie? Sara : 8 yuan a box. Mary: OK. I’ll take 3 boxes. Do you have pizzas? Sara: Yes. It’s on sale now. It’s 9 yuan a piece. Mary: Well. I’ll take 2 pieces, too. Date: April 12th. From: Black’s Bakery Item Quantity Unit Price Amount cookie 1. ¥ 8.0/each 2. pizza 3. ¥ 9.0/each 4. Total amount: 5. Signature: Mary.