Macroeconomics is: the study of individual choice and how that choice is influenced by economic forces. the study of aggregate economic relationships. the study of the pricing policies of firms and the purchasing decisions of households. an analysis of economic reality that proceeds from the parts to the whole.

The study of how human beings COORDINATE their WANTS and DESIRES, given the decision making mechanisms, social customs, and political realities of the society

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(b) revenue account which increases;