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The table below shows the share of income received by each fifth of income earners, from lowest to highest, in three hypothetical countries. 1 2 3 4 5 ( lowest) (highest) Country 1 8 13 16 23 40 Country 2 7 13 14 21 45 Country 3 10 16 17 22 35 a. Calculate the cumulative distribution of income among the five groups of income earners in each country. Enter your responses below rounded to a whole number. 1 2 3 4 5 (lowest) (highest) Country 1 Country 2 Country 3