Banks Are Known for Having Elaborate Buildings and Expensive Interiors

Multiple Choice

Banks are known for having elaborate buildings and expensive interiors. How can economics explain this phenomenon?

A) this is an investment in sunk costs to overcome a symmetric information
B) banks are heavily subsidized by the government
C) banks have low marginal costs and invest in fixed assets to reduce taxes
D) banks are generally large and have many shareholders none of whom have an incentive to monitor management