Consider a simple econorny that produces only cell phones. The following table contains information on the economy's money supply, velocity of money, price level, and output. For example, in 2011 , the money supply was $320, the price of a cell phone was $8.00, and the economy produced 600 cell phones. Fill in the missing values in the following table, rounding to the nearest cent when necessary. The money supply grew at a rate of from 2011 to 2012. Since cell phone output did not change from 2011 to 2012 and the velocity of money the change in the money supply was reflected in changes in the price level. The inflation rate from 2011 to 2012 was