Justin Would Like to Use Text Messaging on the Job

Justin would like to use text messaging on the job to communicate one-on-one with his customers. What should Justin do first?

A) Justin should contact his customers to let them know he will begin using text messaging to communicate with them.
B) Justin should ask his supervisor for permission to use text messaging.
C) Justin should download software that will allow him to send and receive text messages on his smartphone.
D) Justin should attach a professional photo to his text message account so that his customers will be able to see what he looks like.