Refer to Fig. 5 to decide whether the following statements about the debt per capita are c...

Refer to Fig. 5 to decide whether the following statements about the debt per capita are correct or not. Justify your answers.

Figure 5 Debt per capita in the U.S.

(a) The debt per capita rose at a faster rate in 1980 than in 2000.

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(b) The debt per capita was almost constant from 1950 to the mid-1970s and then rose at an almost constant rate from the mid-1970s to the mid-1980s.