13. In a work force, the employees are either managers or directors. What is the percentage of directors?
1). the average salary for manager is $5,000 less than the total average salary.
2). the average salary for directors is $15,000 more than the total average salary.
1). the average salary for manager is $5,000 less than the total average salary.
2). the average salary for directors is $15,000 more than the total average salary.
















