Question

Only final goods and services are included in the calculation of GDP:

because only final goods and services have measurable value
to make GDP simpler to determine
because final goods and services are taxed while intermediate goods and services are not
to avoid double counting of actual national output or income
to ensure that income approach yields a result that exceeds the value using the expenditures approach

Answer 1

And your answer?

Answer 2

to avoid double counting of actual national output or income