Given the following customer data, what is the matching coefficient between customers A and B$?$

Customer Gender Age Married Kids under $12$ Income $($$$)$

A F $26$ No No $50,000$

B M $36$ Yes No $100,000$

Group of answer choices

$0\mathrm{.}67$

$0\mathrm{.}1$

$0\mathrm{.}5$

$0\mathrm{.}33$

$0\mathrm{.}2$