Answer
The answer and procedures of the exercise are attached in the following archives.
Explanation
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer:
E-mail
Explanation:
Text messages, instant messages, and social networking are all generally considered as informal methods of communication which are used to communicate informal information, such as a the change in a meeting time if schedules have been adjusted during a factory tour.
Secondly such informal means of communication might not be ideal for use to a colleague in another office as the relationship would not be very personal but official.
Since Caroline needs information from a coworker in another office about an upcoming salespromotion, she is better off sending her request via e-mail