Which retail institution is organized into specific divisions for purposes of buying, promotion, customer service, and control?

Which of the following theories argues that the effect of studying something/someone changes the effects of the study?

a. the mechanistic theory b. hierarchy of needs theory c. the systems theory d. hawthorne effect theory e. none of the above

A broker's promise to use diligence makes a listing

A. a bilateral contract. B. an illusory contract. C. a unilateral contract. D. voidable.