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

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.