Stock Maintenance Global View of Use Cases Diagram

To draw a global view of use case and actor diagram of entire stock maintenance.
ALOGORITHM:See the basic algorithm for draw Use case diagram
Stock maintenance basic actors are Administrator, customer, Supplier
Administrator has directly interaction with product details, purchase, sales, stock purchase the product actor customer interact with purchase the product finally supplier perform the delivery the product these things are illustrate in the basic use case diagram
RESULT:
Thus the use case diagram was drawn successfully CS1403- CASE TOOLS SOFTWARE COMPONENT LAB Rational Rose software.