The currency notes in circulation as well as the proportion of the total money supply held in the form of currency are influenced by which of the following? [S1] The trade volume in the economy [S2]...

The currency notes in circulation as well as the proportion of the total money supply held in the form of currency are influenced by which of the following? [S1] The trade volume in the economy [S2] The level of prices in the economy [S3] The development of banks and banking habits of the people

A.) Statements 1 and 2 only

B.) Statements 2 and 3 only

C.) Statements 1, 2 and 3

D.) Statement 3 only