Keep this stage separate until the first response is collected.
Supplier B now adds a $2 fee to the whole order. Supplier A still has no fee. The budget is now $12.25. All other E conditions remain the same.
Review your initial recommendation using the new fee and budget. Recalculate each sufficient order's total cost. State which order works now, or explain why none works. Identify what changed and explain why your recommendation changes or stays the same. Keep your initial response visible and add a separate review; do not erase the first decision.
Working may be on another sheet. Keep the first response and review separately. Keep the accompanying complete notices with this resource.