According to a government statistics department, 19.8% of women in a country aged 25 years or older have a Bachelor's Degree, 15.8% of women in the country aged 25 years or older have never married; among women in the country aged 25 years or older who have never married, 23.8% have a Bachelor's Degree; and among women in the country aged 25 years or older who have a Bachelor's Degree, 19.0% have never married. Complete parts (a) and (b) below.