BoM is a comprehensive oc extension for the inventory of the raw materials, assemblies, subassemblies, parts and components, as well as the quantities of each, needed to manufacture a product.

Using this extension store owner can create Single-level & Multilevel bill of materials.
Create a product from a base product or from a BoM product with/without Making Charge in percentage/fixed.
Set discount/special price on Making Charge/Material Value/Total Value in percentage/fixed.

Demo Admin (use: demo/demo)
Demo Store

All is automated
Once a BoM is set, changing the price of any base/BoM product will update all the dependant products Making Charge, Material Value, Total Value, Discount, Special.

BoM details displays mostly everywhere as on product page, cart page, checkout page, order history, mail order.
Works smoothly with all the themes using default oc coding pattern. For any other custom theme pls contact us for the support.