Answer:
c. expenditures of all businesses in the economy.
Explanation:
GDP is the sum of all final goods and services produced in an economy within a given period which is usually a year.
GDP can be calculated in 3 ways:
1. Expenditure approach : consumption spending + Investment spending + Government Spending + Net Export
expenditures of all businesses in the economy is used in the calculation of GDP using the expenditure approach.
2. Income approach: it is the sum of all income from all production in the economy.
3. Value added approach: it is sum of the value of all final production.
I hope my answer helps you
