Semi finished material BOM costing base

Hello,

I have issue with Costing base on the header makes wrongly calculated BOM for the Finished product. Should have shown 100 or 110 FT vs shows only 12.22 ft. For that reason BOM is being priced out very low.

Any suggestion guys.How am i getting costing base wrong on BOM header level. I have checked the costing variant, don't see anything causing issue.

Thank you,