Money Serves as a Unit of Account When Goods

Multiple Choice

Money serves as a unit of account when goods

A) have a value expressed in the same currency,thus allowing comparisons.
B) have a value expressed in both a fiat money and a commodity money.
C) have a value expressed in terms of both a commodity money and a commodity-backed money.
D) cannot be assigned a value.
E) have a value that changes over time.