You Have Informed a Customer That You Willmeet with Her

Multiple Choice

You have informed a customer that you willmeet with her at 10:00 PM. sharp. However, due to some exigency, you are going to be late by a few hours. What should you do?

A) Call the customer over phone and explain that you will be late by a few hours.
B) Send an email informing the customer that you will be late.
C) Tell your colleague.
D) Keep quiet.