4. The demand for business goods is ultimately derived from the demand for
________.
(A) consumer goods
(B) raw materials
(C) business solutions
(D) e-commerce
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統計: A(7), B(3), C(7), D(7), E(0) #2844975
統計: A(7), B(3), C(7), D(7), E(0) #2844975