Cardinal uses the high-low method of estimating costs. Cardinal had total costs of $25,000 at its lowest level of activity, when 5,000 units were sold. When, at its highest level of activity, sales equaled 10,000 units, total costs were $39,000. Cardinal would estimate variable cost per unit as:a. $3.52

b. $3.30

c. $2.60

d. $3.93

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; sensory adaptation;

it's d. out with the planting and harvest of the crops.

answer(d) the growth of consumption is likely to remain sluggish even as the economy begins to recover.;