3. As a receptionist, I want to edit the patient's charges.
Acceptance Criteria:
Given: Receptionist is logged in.
When: She clicks on the discharge button on the discharge page.
Then: Directed to the page with bill details for the particular patient.
Acceptance Criteria:
Given: Receptionist is on the bill details page.
When: She can add or edit charges with the proper description and
click generate bill.
Then: Final bill is generated and is emailed to the user.
