This Figure Represents the Impact of Supply Chain Performance on Total

This figure represents the impact of supply chain performance on total costs.Use it to answer the next two questions.
-Refer to the figure above.Which is the best statement if a company simultaneously moves from point A to point B and from point D to point C?

A) The new supply chain efficiency curve is superior to the old one.
B) The new costs are higher,but the performance is better.
C) The new supply chain is still inferior to the supply chain efficiency curve.
D) The new performance is worse,but the costs are lower.