YOU SAID:
What is the cost of banana in your town?
INTO JAPANESE
あなたの町のバナナの値段はいくらですか?
BACK INTO ENGLISH
What is the price of bananas in your town?
INTO JAPANESE
あなたの町のバナナの価格はいくらですか。
BACK INTO ENGLISH
What is the price of bananas in your town?
That didn't even make that much sense in English.