Choose the correct, most natural-sounding responses according to the context of the conversation:
STORE CLERK: Can I help you find something?
STORE CLERK: No we don't have it in yellow... only in black, red, and orange.
STORE CLERK: Yes, it is. All our scarves and hats are 20% off today and tomorrow.
STORE CLERK: They're normal price.
STORE CLERK: Those are... $15.99.