One of the following statements is false. Which is it? I The time horizon and size of time bucket for the master production schedule can never be longer than those of the aggregate plan. II Aggregate plans are implemented on a rolling horizon III Aggregate plans often perform planning for fictitious/abstract products IV Aggregate planning is a highly integrative activity, requiring input from many areas of the organization, such as marketing, human resources, and accounting. Group of answer choices

The basic difference between macroeconomics and microeconomics is that: a. microeconomics looks at the forest (aggregate markets) while macroeconomics looks at the trees (individual markets). b. macroeconomics is concerned with groups of individuals while microeconomics is concerned with single countries. c. microeconomics is concerned with the trees (individual markets) while macroeconomics is concerned with the forest (aggregate markets). d. macroeconomics is concerned with generalization while microeconomics is concerned with specialization.