(Consider This) The central idea illustrated by the vignette on "catgut" used as violin strings is
A) patent rights.
B) research and development activity.
C) derived demand.
D) trade secrets.

Question

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The Answer of (Consider This) The central idea illustrated by the vignette on "catgut" used as violin strings is
A) patent rights.
B) research and development activity.
C) derived demand.
D) trade secrets.

(Consider This) the Central Idea Illustrated by the Vignette on "Catgut