Sarah has a certain amount of money budgeted for tea and snacks during the work week, and she always aims to spend her entire budget. If she spends her entire budget on tea, she can afford 40 cups of tea. If she spends her entire budget on snacks, she can afford 8 snacks. What is the opportunity cost of a snack

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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.