Weight Calculations

Dear Experts,

I have a question to the Forum on Logistics.

My client is a Steel Manufacturer. The finished material is sold on two ways.

a) Theoritical Weight Basis i.e. say ONE BUNDLE IS 2 TONS as per theory.

b) Actual Weight Basis i.e. Actual weight of the Bundle as manufactured in Production.

Client decides on which basis he needs to Bill the Material depending on his end customer. In the process Client enjoys the the difference of theoritical weight and actual weight as his profit.

My question is how to handle this scenario in Sales and Distribution. The business process adopted is Make to Order and the requirement is it should not have any impact on other areas like PRODUCTION PLANNING, INVENTORY etc.

Kindly give your valuable solution.

Regards

Hari