Hank and Carol Have Been Married for More Than 20

Hank and Carol have been married for more than 20 years, and in that time they have purchased six automobiles. Hank is the one who usually does all the research and decides what they can afford, while Carol just gets involved when it's time to decide among a few alternatives, and she really only cares about the comfort and styling. Which of the following category of family decision making does this illustrate?

A) husband-dominant
B) wife-dominant
C) individualized
D) single role
E) dual role