Three types of firms operate in Canada: sole proprietorships, partnerships, and corporations. All three types of firms survive because O A. each has an advantage in different types of industries O B. each type is easy to set up and has simple decision making O C. some consumers want to deal with sole proprietorships and partnerships, and others want to deal with corporations O D. each type successfully deals with the principal-agent problem dominate in sectors where a large amount of capital is used. dominate in sectors where flexibility in decision making is critical. O A. Corporations; Corporations, Corporations, public utilities and transport O B. Corporations; Sole proprietorships; Corporations; law firms O C. Sole proprietorships, Corporations; Sole proprietorships; manufacturing O D. Partnerships; Sole proprietorships; Corporations; public utilities and transport dominate all sectors. Partnerships feature prominently in