Congress enacts a statute, the federal deposit insurance corporation (an administrative agency) issues rules, the southeast financial institutions association (a private organizations) issues instructions, south valley bank posts a memo with orders for its employees, and tina tells her co-worker about a recent news story. sources of law include

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.

The answer is a. i think

16 quarters