When You Send Your Friend an Email at His Work

Multiple Choice

When you send your friend an email at his work, the infrastructure to transmit and store that email is only a part of the cost incurred by his company. What other significant cost does your email generate?

A) the space on the company's email server
B) the cost of the gasoline your friend uses to drive to work
C) the cost of the electricity your friend's computer uses
D) the cost of the time your friend takes at work to read and view your email
E) the processing cycles on your friend's company's router