5. Cross tabulations Problem: The following crosstabulation shows household income by educational level of the head of household (Statistical Abstract of the United States: 2008) Educational Level Not H.S.graduate HS. graduate Some college Bachelor's degree Beyond bach.de Total Under 25 4.207 4,917 2.807 885 290 13,106 Household Income (S1000) 25.0 50.0 75.0- 749 99.9 3.459 1,389 539 6,850 5.027 2,637 5.258 4,678 3,250 2.094 2,848 2.581 1.274 1.241 18,490 15,216 10,248 100 of more 367 2.668 4,074 5,379 4.188 16,676 Total 9.961 22.099 20,067 13,787 7.822 73,736 829 a. Compute the row percentages for high school graduate and bachelor's degree b. What percentage of households headed by high school graduates earn $75,000 or more? c. What percentage of households headed by bachelor's degree recipients earn less than $50,000 (49,900 or less)