1.  As a Pharmacist, I want to manage the inventory of medicines, so that I can ensure that the shop has an adequate stock of medicines.

Acceptance Criteria:

The system should allow the Pharmacist to view the current stock of each medicine.
The system should allow the Pharmacist to add new medicines to the inventory.


2. As a Manager, I want to prepare bills for customers, so that they can make payments for their purchases.

Acceptance Criteria:

The system should allow the Manager to select the items purchased by a customer.
The system should calculate the total amount due based on the selected items and their prices.


3. As a Customer, I want to browse the available medicines and place orders, so that I can purchase the medicines I need.

Acceptance Criteria:

The system should allow the Customer to browse the list of available medicines.
The system should display detailed information about each medicine, including its name, price, and availability.