Using the expenditures approach in measuring GDP, each of the following would be included in the calculation, except:

household consumption
government purchases of goods and services
net exports
wages and salaries
business investment

household consumption

Wages and salaries would not be included in the calculation using the expenditures approach to measuring GDP. The expenditures approach focuses on four components: household consumption, government purchases of goods and services, business investment, and net exports. Wages and salaries fall under the factor income approach, which calculates GDP by summing up the incomes earned by various factors of production, including wages and salaries.

To determine which of the options would not be included in the calculation of GDP using the expenditures approach, we need to understand what each component represents.

1. Household consumption: This includes the expenditures made by households on goods and services, such as food, housing, clothing, and transportation. Household consumption is an important component of GDP and is typically included in the calculations.

2. Government purchases of goods and services: This represents the expenditures made by the government on public goods and services, such as infrastructure development, defense spending, and public education. Government purchases are included in the GDP calculations as they reflect the overall economic activity in the country.

3. Net exports: Net exports are calculated by subtracting the value of imports from the value of exports. This component represents the difference between a nation's exports and imports of goods and services. Net exports are included in the calculation of GDP as they reflect the contribution of international trade to a country's economy.

4. Wages and salaries: Wages and salaries represent the income earned by individuals through their employment, which includes compensation for labor and services. While wages and salaries are an important factor in determining personal income and the distribution of wealth, they are not directly included in the GDP calculation using the expenditures approach.

5. Business investment: Business investment refers to expenditures made by businesses on physical capital goods, such as machinery, equipment, and structures, as well as intellectual property assets. Business investment is a critical component of GDP as it reflects the level of investment and productivity in an economy.

Based on the explanations above, the answer would be "wages and salaries" as it represents personal income rather than an expenditure, and therefore, it is not included in the calculation of GDP using the expenditures approach.