What Is the Effect of the "Motherhood Penalty" on Working

What is the effect of the "motherhood penalty" on working women, according to Michelle Budig and Paula England's 2001 study?

A) Women were 5 times less likely to find work after having children.
B) Women's income declined by 7% for each child they had.
C) Working women choose not to have children or to wait until their 40s to try to have children.
D) Women were taxed at a higher rate than men after having children.