A Company Was Studying the Demographics of Their Customers

A company was studying the demographics of their customers. As part of the study they collected
The following variables: gender, marital status, credit rating (low, medium, high) , annual income, and
Age) Which two of the variables are considered to be quantitative rather than qualitative?

A) gender and marital status
B) age and credit rating
C) gender and annual income
D) annual income and age