Saudi Arabia is a member of the Organization of the Petroleum Exporting Countries and has an industrialized economy based on the production and sale of natural resources. Which is an example of an investment in capital goods that the country's government might make to improve its gross domestic product (GDP)?

A.
The government can build a new oil refining facility.

B.
The government can offer citizens free college tuition.

C.
The government can hire more workers to staff its oil rigs.

D.
The government can give tax breaks to domestic companies.