Total cost. The price paid for a security plus the broker's commission and any accrued interest that is owed to the seller (in the case of a bond).
If you want to become a medical examiner, you must earn a medical degree (M.D.). Once you have earned your medical degree, you can seek out knowledge in a pathology residency. Following your residency, you'll sub-specialize in a forensic pathology fellowship.
The National Registry requires medical examiners to participate in required training, pass a certification test, and register on the National Registry system to become a certified medical examiner. Certified medical examiners agree to keep their National Registry accounts up to date (licenses, training records, etc.).