You’re writing to a customer to inform her that your company will be replacing a faulty hair dryer. Which statement makes a good opening?

A.
Our company policy is to keep all our customers satisfied.
B.
I’m happy to tell you that you will receive a new hair dryer tomorrow.
C.
We’ve studied your complaint about the faulty hair dryer.
D.
We’ve been in the home appliance business for 25 years.