Lowest Second Third Fourth Highest Fifth Fifth Fifth Fifth Fifth a 18% 19% 20% 21% 22% b 2% 4% 6% 8% 80% C 5% 10% 15% 25% 45% d 4% 11% 17% 30% 38% Refer to Exhibit 17-2. With regard to the income quintile listings, which one indicates the least degree of income equality? O a Ob O C OExhibit 10-2 ['1 (2] i3] 14] Y Y ? Y {1- 3' 0 X 0 x 0 x Refer to Exhibit 10-2. Which indifference curve reflects a constant marginal rate of substitution? 0 (i) O (2) O (3) O (4) Economics is primarily concerned with the study of: 0 problems such as povertyr and unemployment. 0 limited desires pursuing unlimited resources. 0 production and distribution of goods in a world of unlimited resources. 0 production and distribution of goods in a world of limited resources