Which measure of money supply is the one most commonly used?

1. M3 equals M1 plus the net time deposits of commercial banks. 2. It is broad money, and it is the **most commonly used** measure. 3. It is also referred to as aggregate monetary resources. 4. M1 is the most liquid measure but not the headline one, which is the distinction being tested. _Source: syllabus Introductory Macroeconomics, Ch 3 "Money and Banking", section 3.2 DEMAND FOR MONEY AND SUPPLY OF MONEY_