The human resources department at a major high tech company recently conducted an employee satisfaction survey of 100 of its 3000 employees.Data were collected on such variables as age,gender,marital status,current salary,level of overall satisfaction on a scale from 1 to 5,number of years with the company,and job title.Which of the variables listed are considered to be ratio level data?A) Age and years with the companyB) Gender and marital statusC) Job titleD) None of the variables is ratio level.