Consider the following information you might typically provide on a tax form: number of dependents, social security number, and annual income. Identify the scale of measurement for each variable by inserting an $x$ in the appropriate cell. $(6$ pts$).$

$\backslash$table$[[$Variable$,$Level of Measurement$],[$Number of Dependents,Ratio$],[$Social Security Number,$],[$Annual Income, Select$]]]$