Index numbers associated with the growth of unemployment during an 8-year period are shown in Table 3.14. (a) What are the base years for the two indices? (b) If the government had not switched to index 2 , what would be the values of index 1 in years 7 and 8? (c) What values would index 2 have been in years 1, 2, 3, 4 and 5 ? (d) If unemployment was 1.2 million in year 4, how many people were unemployed in years 1 and 8