Well-established artists usually sell their work through a gallery on an exclusive representation arrangement. Whenever an artist gets a contract for an exhibition in a public museum, his fee is negotiated by whatever gallery represents him. The gallery always demands fifty percent of the artist's fee, even though the exhibition will not be on their premises, will not require their services, and will not result in sales of works by the particular artist. This fifty percent fee is clearly a tariff that allows the galleries to use their stellar clients to make money for themselves. It is unfair to both the artist and the public.
Which of the following would be most useful for investigating the claim made above?
A.knowledge of the support and services offered by galleries to struggling and unknown artists
B.the cost of time spent by the gallery in making arrangements for the museum exhibitions
c.the length of time during which the artist's works are left on display in the museum
d.the amount of money the museum is willing to spend on advertising the exhibit
e.the actual dollar amount of the average artist's fee for having works displayed in a museum exhibition
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