Answer: The correct answer is "A. About 20% of the items will usually account for about 80% of the total value.".
Explanation: The statement "About 20% of the items will usually account for about 80% of the total value." is most accurate because this is the pareto principle or the 80/20 rule, which is a "general truth" in all kinds of distributions and is a powerful tool for evaluating one's own work....