Given the equation of exchange set forth by the quantity theory of money (M x V = Px Q), where M is the supply of money; V is the velocity of money; P is the price level, and Q is real output; which of the statements best defines M? 0 The average level of prices for a given basket of goods. The total amount of currency, coins, and the banking sector. The average number of times a dollar is spent in a given period of time. The quantity of goods and services produced within an economy.