Access level for various Prices

It would be important to expand the "Products" section on Security Access Level. 
1. Add security levels for "Details"   "Price & Tax"  "Comment"  "Image & colours" so that only "Details" can be availed to users with lower access level and they can insert "Barcode" but not go to the other tabs to view prices.

Try and set up Access level for "Stock":
1. "Cost price" & "Sale price" that appear at the bottom of the screen & those next to the products should have different access levels. 
2. Add a feature so that users with lower level can "Add stock" on "Quick Inventory count" but not be able to view any prices.