HOW TO USE THIS MODULE
Now when you create a purchase order, for product B with Vendor B as vendor, the price automatically picks from the product master..
Now again if you choose Vendor B as vendor and choose product B and change price to 300
If you go and see in the products, the first added price is stored for the products, it is not changed.
After installing this module, if you change the price to 300 for vendor B, it will update the recent price in the product master as well.
As you can see in the above image, the vendor price gets updated each time.
Thus, whenever you choose purchase order the recent updated vendor price will be captured in the purchase order.