Specifies the way that material costs are assigned.
Options : Yes or No
Note: All costs are saved in the Cost Table.
By default Weight costs have a material and thickness assigned to them.
The material and thickness field in the Cost Table is used to determine the cost value that should be used for an item that has a material cost.
If "Use Product Weight Cost" is set to Yes and a product with the same material properties is found then that material cost will be used.