Can I have answers of this questions?​

To be able to better compare stock performance within the same industry, similar companies are grouped into? a)market sectors b) industry blocks c) performance sectors d) average earning blocks

Aprimary advantage of organizing economic activity within firms is thea. ability to coordinate highly complex tasks to allow for specialized division of labor. b. low administrative costs because of reduced bureaucracy. c. eradication of the principal-agent problem. d. high-powered incentive to work as salaried employees for an existing firm.

Happy foods and general grains both produce similar puffed rice breakfast cereals. for both companies, thecost of producing a box of cereal is 45 cents, and it is not possible for either company to lower their productioncosts any further. how can one company achieve a competitive advantage over the other?