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If the labor force participation rate is 70% and the labor force is 140 million, then the total population is 200 million.

For C = $500 billion, I = $200 billion, G = $300 billion, X = $150 billion, and M = $100 billion, the GDP is $1,000 billion.

During the trough phase, the economy begins to recover and transition into an expansion phase.

A recession is defined as two consecutive quarters of positive GDP growth.

A peak is the lowest point of economic activity in the business cycle.

North Korea best resembles a traditional economy. 

Which of the following corresponds to the positions of a gauge manifold’s valves during system evacuation? 

Most manufacturers recommend pulling a vacuum pressure of _____ prior to recharging a system. 

When a service valve stem is turned so that it is halfway between front and back seats, it is considered _____. 

If a refrigerant cylinder weighs 100 lb and its tare weight is 20 lb, how much refrigerant was removed if the final weight is 50 lb after charging a system?