and increase efficiency, Jason hires an assistant to do all the copying. When workers need copies, they submit a request to the assistant. The architects are now more efficient and costs are down, but the contract manager is often late processing contracts because he is waiting for copies.

What principle of systems thinking does this illustrate?

A$)$ Everything is interconnected.

B$)$ Simple solutions are often the best solutions.

C$)$ Root causes may seem unrelated to the problem.

D$)$ One must look for leverage points to change a system.