Before the development of computer-assisted design software, many firms handcrafted __________, wooden or clay models that served as rough physical representations of a new product.

Before the development of computer-assisted design software, many firms handcrafted __________, wooden or clay models that served as rough physical representations of a new product. 



A. premarket tests

B. blockbusters

C. prototypes

D. storyboards

E. designer models


Answer: C. prototypes


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