Which of the Following Describes the Relationship Between Income Levels

Which of the following describes the relationship between income levels of partners and infidelity?

A) When women are the breadwinners they are more likely to cheat.
B) When men are the breadwinners they are more likely to cheat.
C) When both partners make the same income, the husband is less likely to cheat.
D) When both partners make the same income, the wife is less likely to cheat.