Step-by-step explanation:
Why?
It measures the sum of all goods and services manufactured within a country's boundaries over a particular period of time. Economists can use GDP for assessing the rise or contraction of an economy. Stakeholders can use GDP to determine acquisitions, which suggests lower profit and lower stock values in a bad economy.
How?
One way analysts calculate economic performance is by looking at a commonly used overall output indicator called the gross domestic product (GDP). GDP is characterized as the market value, in a given year, of all economic products and services.