There are a variety of ways to invest in commercial real estate. In class, we discussed a classification system called $$the four quadrants$$ based on a $(2\backslash$times $2)$ matrix: you can obtain an ownership $($equity$)$ interest or a security $($debt$)$ interest, you can invest in private or public markets. An example of a real estate$-$related investment that would be classified as a public equity transaction is a$($n$)$:

Group of answer choices

Buying a commercial mortgage$-$backed security

Life insurance company making a commercial mortgage loan

Buying a share of an office building REIT

Buying an office building