What tool does the Federal Reserve use to influence the volume of money in the economy by buying and selling government securities?According to the pie chart, which function consumed the largest portion of government expenditures in 2003? A. providing retirement income for older citizens B. improving roads, bridges, and other infrastructure C. providing health care for older and poor citizens D. paying the interest on the national debt E. improving education and training for poor citizens Reset Next 2024 Edmentum. All rights reserved