5 明明在集市上支起了自己的小摊,有人过来询价。请根据他和顾客的对话,判断下列句子的正误,正确的写“T”,错误的写“F”。
Mingming：Can I help you?
Customer(顾客)：Yes. How much is this pencil box?
Mingming：It's three yuan.
Customer：OK,I'll take it. How much is this book?
Mingming：It's four yuan. I have fifteen books.
Customer：Thanks. I just want this one. Oh,is it a fruit plate?
Mingming：Yes,it is.
Customer：How much is it?
Mingming：Five yuan,or three for thirteen yuan.
Customer：OK. I'll take three.
Mingming：Here you are.
()(1)The pencil box is 5 yuan.
()(2)The book is 4 yuan.
()(3)Mingming has 13 books.
()(4)One fruit plate is 5 yuan.
()(5)The customer should(应该) pay 17 yuan.

(1)F (2)T (3)F (4)T (5)F