All of the following are tools of monetary supply except
a. selective credit controls.
c. liability and assets.
b. moral persuasion.
d. open market operations.

Except for liability and assets. Accounting standards characterize an advantage as something your organization possesses that can give future financial advantages. Money, stock, debt claims, arrive, structures, hardware - these are on the whole resources. Liabilities are your organization's commitments either cash that must be paid or benefits that must be performed.

Ithink its opportunity cost but not sure hope it .