The slope of a demand curve is not used to measure the price elasticity of demand because:
the slope of the demand curve does not tell us how much quantity changes as price changes.
the measurement of slope is sensitive to the units chosen for price and quantity.
the slope of a line cannot have a negative value.
the slope of a linear demand curve is not constant.

it is d i just took the test

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;

turnover

the amount of money taken by a business in a particular period.

answer; o anticipate where news will happen;