Please show details of graphing as well as answering the questions!In 1956 the national debt (increased/decreased) by (4 billion/145 billion/231 billion).

The following table lists federal outlays, revenues, and GDP for the U.S. economy during several years. All numbers are In billions of dollars. Plot the data for revenues and outlays as a percentage of GDP on the following graph, rounded to the nearest percent. Use the red points (cross symbol) for outlays and the green points (triangle symbol) for revenues. Line segments will automatically connect the points. All In which years was the government's budget In deficit? Check all that apply. 1972 1956 1964 1948 1980