4) I need some help with the following question, the class is Economics.

Medical doctors almost always collect patients' personal information such as their occupation, employer, home address, and scope of medical insurance coverage. For each of the following aspects, comment on whether it makes it easier for doctors to price discriminate. - Characteristics such as occupation and home address are quite xed. - It is physically impossible to transfer medical treatment from one person to another. - Doctors treat patients on an individual basis