Suppose that the cost of refining oil increases from $15 to $25 for each barrel of heating oil produced. assuming that the rest of the determinants of supply and demand for heating oil remain equal to their initial values, the market will eventually reach a new equilibrium price of

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;