Suggestions:
Yes, System has a provision of viewing the last Purchase rate along with the maximum retail price with quantity details in despatch. In despatch details when you click on the links icon in the right panel, it shows the item details. When an item is selected and the cursor is on that item code, then in the side panel in links option we can view all the details of the item, details as unit, quantity, allocated quantity, hold quantity, available quantity (quantity – (allocated + hold quantity) ), maximum retail price and last Purchase rate.
Available quantity is (quantity – (allocated + hold quantity) ).
The maximum retail price is the highest price that can be charged for an item sold
Last Purchase price is based on Purchase order/invoice displayed for the item dispatched.