Which of the following statements about GDP is correct? $($more than $1$ answer possible$)$

All of the above are incorrect.

All of the above are correct.

GDP calculates the market value of all final goods and services produced within a country in a'given period of time.

GDP measures all goods produced, domestically or foreign, by a country's companies.

GDP measures the total income of everyone in the economy as well as the total expenditure on the $$conomy$\text{'}$s output of goods and services.