When Certain Kinds of Assets Are Built That Require Public

Multiple Choice

When certain kinds of assets are built that require public welfare and safety expenditures at the end of the asset's life: 

A) these asset retirement costs are expensed when asset retirement occurs.
B) a liability simultaneously arises.
C) these estimated future expenditures are added to the carrying value of the asset.
D) this fact is only reported in the financial statement footnotes.