Explain clearly

8 6 2 PERCENTAGE CHANGE IN CONSUMER PRICE INDEX Country B 0 Country A -2 -4 1970 1975 1980 1985 1990 1995 YEAR Figure 7.1 (Figure 7.1) In Country AMultiple Choice O relative prices may have been changing, but average prices were constant. O relative prices were definitely constant. O average prices and relative prices were definitely changing- O average prices were constant, and unemployment was increasing