The management of a banking organization anticipates losing a number of their supervisory employees in four departments to retirement within the coming 12 months. The table reflects the number of employees and supervisors currently employed in each department as well as the number of supervisors who plan to retire in the coming year. Unit Number of Employees Number of Supervisors Number of Supervisors Planning to Retire Centralized Licensing 67 8 5 Consumer Protection Services 27 5 3 Budget/Finance 58 9.5 3 Employee Relations 7 4 1 24. According to the table above, what is the ratio of supervisors to employees across departments represented by the pre-retirement figures? a. 1:5 b. 1:6 c. 1:7 d. 1:8