According to the quantity theory of money, what happens if the money supply increases by 10% if the current rate of unemployment is equal to the natural rate of unemployment? 
Choose 1 answer: 
A. The price level increases by 10% 
B. Real output increases 10% 
C. Real output increases more than the increase in the price level
D. Real output and the velocity of money both increase 
E. The price level increases by 5% and real output increases by 5%