The figure shows the inflation rate from the first quarter in 1970 until the fourth quarter in 2017. High inflation periods are highlighted in the figure by the gray boxes. 12 High High inflation inflation 10 - period period (1973 IV (1979 1- 8 -1975 IV) 1981 IV) GDP deflator, four-quarter average) Inflation rate (percentage change in the 1970 1 1975 1 1980 1 1985 1 1990 1 1995 1 2000 1 2005 1 2010 1 2015 1 2017 IV Quarters MyLab Economics Real-time data According to the figure, which of the following is true regarding inflation over this period? O A. The inflation rate hit its lowest level in 1975. O B. Inflation rates in the 1990s and 2000s were lower than inflation rates in the 1970s and 1980s. O C. Inflation rates in the 1990s and 2000s were higher than inflation rates in the 1970s and 1980s. O D. The inflation rate hit its highest level in 2010