(04.05 MC) Use the graph to answer the question that follows. The graph has Quantity of money along the horizontal axis and Nominal interest rate along the vertical axis. Two vertical lines with label M S 1 and M S 2 are drawn perpendicular to the horizontal axis such that the line M S 1 lies to the right of M S 2. A curve labeled M D decreases from left to right passing through two lines M S 2 and then M S 1. Two arrows one below the other are drawn between lines M S 1 and M S 2 pointing toward line M S 2. Which of the following is a reason for the shift in the money market as represented in the graph? (2 points) Sale of government bonds in an open-market operation Decrease in the required reserve ratio Decrease in the expected inflation Increase in the monetary base Increase in the expected return on bonds