Point of Sale & Inventory for Hardware Material Store

Inventory: 1. Able to import/export data in excel, xml format 2. Matrix item by size, color, location 3. One item may be stored in different location or different rack, the system has to be able to suggest where to get the item 4. Stock transfer among locations 5. Warn low level stock 6. Allow receiving by bar code scanning, by manual input 7. Prompt sales when stock is zero, allow overriding option by cashier to sell while waiting restocking 8. Allow FIFO or LIFO 9. Stock taking and adjustment function. Freeze sales from racks where stock taking is happening 10. Item search by name and/or description and/or category 11. See Product image in sales screen 12. Allow stock to be received in one measurement and sold in another measurement, e.g. flour received in bags, sold per kg or per bag 13. Product return from customer function 14. Product return to supplier function (tag item to be returned to supplier, not for sale) 15. Barcode generator and printing POS 1. Customer and supplier database 2. Create customer 3. Input sales by barcode, by item search (by name, description, category) 4. Cash or credit sales 5. Print small receipt or invoice 6. Promotion (buy 2 get 1 free) 7. Receivables aging report 8. Discount by item or overall discount 9. Manager is able to override system price but not lower than the purchase price 10. Pop up window to see product image, attributes 11. Tax (enable or disable) 12. Search for product and see current stock level 13. Support for touch screen is a plus 14. Option to print standard invoice or thermal receipt invoice 15. User Friendly Interface Administration 1. Maintain user access rights 2. Multi user, network capable, ideally able to be accessed from remote location 3. Auto database backup and compacting 4. Time log 5. User log in and out 6. Cash drawer open warning (warn if left open after a period of time and auto close if possible) 7. Beginning and end of cashier shift cash count 8. change font size on product buttons 9. Simple account receivables and account payables Reports including but not limited to: - Sales catalog include images of product; - Sales by customer extended report; - Sales by category of products; - Sales by category pie chart; - Information about sales include time series chart; - Information about purchases include time series chart; - Top 10 product sales - low stock report I would expect some documentations provided and source code to be provided