Answer: See explanation
Step-by-step explanation:
Contraction: Contraction, is a phase of the business cycle that simply occurs gene there's decline in the economy. At this phase, the demand for goods and services reduces and there's decline in growth.
Business cycle: The business cycle shows the movement of the GDP which can either be upward or downward. It shows how the economy's doing.
Trough: The trough is a phase in the business cycle whereby the gross domestic product for a particular economy has stopped reducing and the economy has started to rise.
Disposable income: This is the income that is left with an individual after personal income tax has been removed from the personal income of such individual.
Net domestic product: Net domestic product is when depreciation is subtracted from the gross domestic product.