For Those People Who Think They Need Some Sort of Psychological

Short Answer

For those people who think they need some sort of psychological counseling but don't feel they have the time, the Internet offers HYPERLINK "http://sedoparking.com/search/registrar.php?domain=hear2listen.com&registrar=sedopark" www.hear2listen.com, which allows users to communicate with a licensed therapist at a cost of $1 per minute. Due to a(n) _____, the web site's owners know most of their business comes in the evenings and on weekends, so they have hired therapists to work for the Internet service at these times.
A. Random demand fluctuation
B. Relative demand shift
C. Predictable demand cycle
D. Vertical demand configuration
E. Organized demand pattern