An office building is an example of the land factor of production. In economics, the factors of production are the resources used to produce goods and services. These factors are typically categorized into four groups: land, labor, capital, and entrepreneurship.
Land refers to all natural resources used to produce goods and services. This includes not only the physical land itself but also any natural resources found on or beneath it. An office building, while a man-made structure, is considered part of the land factor because it is built on a piece of land and utilizes the space provided by that land.
In summary, an office building is an example of the land factor of production because it is a structure that occupies and utilizes a specific piece of land, which is a natural resource.