When a natural monopoly exists, it is a. always cost effective for two or more private firms to produce the product. b. never cost effective for one firm to produce the product. c. never cost effective for two or more private firms to produce the product. d. always cost effective for government-owned firms to produce the product?

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;

answer; read and consider the content of the items;