Linda，Mary and Helen are good friends．They go to a store together．

“Look at the sweaters!” Linda says．“I want to buy the red one．”

“How much is it?” Mary asks．

“It is on sale for only $15．Do you want to buy one，Mary?”

“OK! I'll take one，too．But I like blue．What about you，Helen?”

“No，I want to buy a pair of shoes．Look at those shoes．” Helen says

“Oh，they are nice and each pair is only $18．I want one pair，too” Mary says．

Helen says，“I want the white pair．What color do you want?”

“Blue．”

“Oh，they don’t have blue shoes．”

"Then，I'll take this yellow pair．Do you want one pair，Linda?”

“No，I don’t．Let's go．” Linda says．

“OK!”

根据短文内容，完成下列表格