4. In FRED, find and plot data on the ratio of outstand ing total international debt to GDP for

(a) the Euro area,

(b) the United States, and

(c) Japan. These amounts represent the international indebtedness of each region to the rest of the world. Which region has the highest international debt relative to GDP? Which region has the lowest international debt relative to GDP? Describe how all three ratios have changed over the past five years.