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14. An investor purchases one Municipal and one corporate bond that pay rates of return of 8 percent and 10 percent, respectively. If the investor is in the 20 percent tax bracket, his after tax rates of return on the municipal and corporate bonds would, respectively be: (1 point) a. b, c. d. 8% and 10% 8% and 8% 6.4% and 8% 6.4% and 10%