Make a Purchase

(Soemthing) WA OIKURA DESUKA?
(Something) 　は　おいくら　ですか？
How much is (Something)?

(Something) WA DOKO DESUKA?
(Something)　は　　どこ　ですか？
Where is (Something)?

(Something) WA ARIMASUKA?
(Something)　は　ありますか？
Do you have (Something)?

(Something) WO KUDASAI.
(Something)　を　ください。
I would like to buy (Something).

(Something) WO CHUUMON SHITAI NO DESUGA.
(Something)　を　ちゅうもん　したい　の　ですが。
I would like to order (something)

KONO (Something) NO SAIZU WA NAN DESU KA?
この　（Something)　の　さいず　は　なん　です　か？
What is the size of (Something)?