Dell Computer collects information about a wide variety of competitive, economic, political, legal and regulatory, technological, and sociocultural forces that affect its marketing activities. This process is called

Computing equivalent units is especially important for: (a) goods that take a relatively short time to produce, such as plastic bottles. (b) goods with sustainability implications in their production processes. (c) goods that are started and completed during the same period. (d) goods that take a long time to produce, such as airplanes.