A: Excuse me, how much is the necklace?
B: it's £...
A: Can I try it on?
B: Yes, of course! Here's a mirror.
A: It's lovely. How much are the earrings?
B: They're £...
A: What about the T-shirts? How much do they cost?
B: They're £... each or two for £...
A: I'll have the necklace , please. Here's £...
B: Thanks. Here's you change.