What are the two most commonly used demographic variables used by marketers?

However, our focus is on the demographic segmentation, which generally involves grouping the markets into sub-categories based on demographic variables such as occupation, age, religion, nationality, gender, income, race, family size and education.

Explanation:

answer; depth;

since the options are not listed, when you are working on your budget you should also add water, tv, internet, miscellaneous and your 'fun' money for in your budget. when budgeting, you need to allow for fun money, and mis/accidental money so that you stick to the budget and not go crazy because you feel strapped to the budget.