Steiner's Research Among the Wood Carvers of Abidjan Indicates That

Steiner's research among the wood carvers of Abidjan indicates that the ________ is pivotal in determining the monetary value of art.

A) artists' formal training
B) buyers' perception of an object's authenticity
C) length of time required to produce it
D) combination of colors (e.g., black and yellow are preferred)
E) exchange rate on the euro at the time of purchase