Maya has decided to apologize briefly in the buffer of her bad-news letter to a client. Which of the following is the best apology?
A.
We take full blame for your espresso machine malfunctioning and realize that it may have even eventually caused an injury.
B.
We apologize for any inconvenience this may have caused.
C.
We sincerely apologize for the problems you experienced with your espresso machine. To prevent recurrence of this problem, we will recalibrate the heating element at no charge to you.
D.
It is unfortunate that you are unhappy with your espresso machine.