6. on friday, billy mails andrew an offer, which andrew receives on monday. on tuesday, billy mails andrew a revocation, which andrew does not receive until thursday; andrew takes no action when he receives the revocation. meanwhile, andrew mailed billy an acceptance on wednesday that billy receives on friday. is a contract formed, and if so, on what day?

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.

Planning,organizing,  leading, and  controlling.