[estro0182]

You’re assuming that 6.22tn is all from domestically produced base materials and therefore the correct denominator component for that 18.6bn number. I cannot find what base materials imports compose that number but I bet you it adds quite a few hundred basis points to your equality.

Just look at origin of packaging for most food items. They are often not the US, and shipping to/from external counties of origin isn’t economical.