R.M.O. expenses include A. Running expenses B. Maintenance expenses C. Operation expenses D. All the above

The correct answer is D. All the above.

R.M.O. expenses include running expenses, maintenance expenses, and operation expenses.

Running expenses are the costs of keeping a vehicle running, such as fuel, oil, and tires. Maintenance expenses are the costs of keeping a vehicle in good condition, such as repairs and tune-ups. Operation expenses are the costs of using a vehicle, such as insurance and registration.

All of these expenses are important to consider when owning a vehicle. It is important to budget for these expenses and to have a plan for how to pay for them.