Someone who wants the credentials of skilled training, but in less time than a four-year degree should consider

a. joining the military
b. career or technical education
c. online learning
d. apprenticeship

Its B. Career or Technical Education. Hope it helps :)

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.

To be honest, here's what i think. i think the answer is (and i'm not exactly sure), that it is, both personal and household income.