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.
Medical education and career pathways for doctors vary considerably across the world. All medical practitioners. In all developed countries, entry-level medical education programs are tertiary-level courses, undertaken at a medical school attached to a university. Depending on jurisdiction and university, entry may follow directly from secondary school or require pre-requisite undergraduate education.