Let's Go Shopping! (for beginners)

source: purplemary
--Excuse me. May I see that jacket, please?
--Do you have it in red?
--May I try it on?
--Sure. What size do you take?
--I usually take a medium.
--How is it?
--It's a bit too long. Do you have a shorter one?
--Yes, we do.
--How much is it?
--It's on sale. It's only ...
--I'll take it.
# at the supermarket
--May I have some natto, please?
--How many would you like?
--How much is it?