A. Maintenance cost
B. Fuel cost
C. Salaries of high officials
D. Salaries of operating staff
Correct Answer: Salaries of high officials ✔
Last Updated: November 30, 2018
A. Maintenance cost
B. Fuel cost
C. Salaries of high officials
D. Salaries of operating staff
Correct Answer: Salaries of high officials ✔
Last Updated: November 30, 2018