Why not give discounts based on cost avoidances promised in a previous rate or classification case but which savings were never captured by the Postal Service?
The benefits of cost avoidances promised in the previous rates are still to be seen.
mnli hypothesis: The benefits of cost avoidances promised in the previous rates are still to be seen. premise: Why not give discounts based on cost avoidances promised in a previous rate or classification case but which savings were never captured by the Postal Service?