Which scenario describes a business that practices division of labor?
A)a jewelry store in which a silversmith makes metal chains, a jeweler polishes and sets stones, and a salesperson sells the jewelry
B)a book store in which the owner purchases books from publishers, arranges the books on shelves, and helps patrons find what they want
C)an accounting firm in which an accountant helps customers apply for loans, advises them on investments, and prepares their tax returns
D)a portrait studio in which the portrait photographer takes the photos of the subjects, prints the digital files, and frames the portraits