Add a subtype discriminator for each of the supertypes shown in Figure 3-10. Show the discriminator values

Question:

Add a subtype discriminator for each of the supertypes shown in Figure 3-10. Show the discriminator values that assign instances to each subtype. Use the following subtype discriminator names and values:
a. PERSON: Person Type (Employee? Alumnus? Student?)
b. EMPLOYEE: Employee Type (Faculty, Staff)
c. STUDENT: Student Type (Grad, Undergrad)