A study of the effect of college education on income used 1990 and 2010 US Census data. The study looked at: (a) women in the 1990 Census who were between 28 and 32 years old and were also the first woman in their family to attend college; and (b) women in the 2010 Census who were between 28 and 32 years old and whose mother was the first woman in their family to attend college. The average income was $45,000 for the women in group (a) and $40,000 for the women in group (b), even though average income for the nation as a whole was 50% higher in 2010 than in 1990. Is it possible that every daughter had a higher income than her mother, yet the average daughter income was lower than the average mother income? Give a specific numerical example to illustrate your argument.