Which internal control procedure is followed when management authorizes the purchasing department to order goods and services for the company

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; rapid growth in buyer demand and high buyer switching cost;

answer; normative economics;

answer blank(1).(2); sharpe;