Which of the following conditions best explain the short-run economies of operation associated with production of an information product?

A) AVC slopes downward, and AFC is constant, so that ATC slopes downward.
B) AVC is constant, and AFC slopes downward, so that ATC slopes downward.
C) AFC is constant, and MC slopes downward, so that AVC slopes downward.
D) MC is constant, and MC slopes upward, so that AVC slopes upward.

Answer: B