Please help to draw the use case diagram for below description

+ Inventory Business Process 1. Name : Inventory Management System 2. Participating actors: Stock manager, system 3. Entry conditions (or Pre-Conditions): 1. Stock manager accesses the system 4. Basic flow of events: 1. Stock manager inputs the 'from' to 'to' date on the system 2. Stock manager requests the system to generate a stock report 3. Stock report as per date selected is displayed by the system 4. Stock manager performs a physical count on the number of items available and checks if they tally with what the system is showing 5. The quantity on hand is compared to the reorder level value for each item 6. Items received from the supplier are added to the system 7. Out of stock items are deleted from the database 5. Alternative flow of events: If in step 4 the quantity available physically does not tally with what the system is showing, then: 1. The matter is escalated to the shop responsible 2. The use case ends If in step 5 the quantity on hand is less than the reorder level value, then 1. The shop manager is informed and order is made to the supplier 2. The use case resumes at Step 5 of the basic flow If in step 7 there are no items which are out of stock, then 1. The use case ends 6. Exit Condition (or Post-condition): The weekly/monthly stock count is completed, discrepancies if any are found and the database is updated with appropriate values according to the stock level