A company's strategy evolves over time as a consequence of: A. the need to keep strategy in step with changing circumstances, market conditions, and changing customer needs and expectations. B. the proactive efforts of company managers to fine-tune and improve one or more pieces of the strategy. C. the need to abandon some strategy features that are no longer working well. D. the need to respond to the newly initiated actions and competitive moves of rival firms. E. All of these.

The business cycle is the periodic but irregular up-and-down movement in economic activity, measured by fluctuations in real gross domestic product (gdp) and other macroeconomic variables. a business cycle is typically characterized by four phases—recession, recovery, growth, and decline—that repeat themselves over time. economists note, however, that complete business cycles vary in length. the duration of business cycles can be anywhere from about two to twelve years, with most cycles averaging six years in length. some business analysts use the business cycle model and terminology to study and explain fluctuations in business inventory and other individual elements of corporate operations. but the term "business cycle" is still primarily associated with larger (industry-wide, regional, national, or even international) business trends.

If u don't know the answer, always guess "c"