That's true, but if the company is out to extract your worth and throw you away like a squeezed lemon, you're screwed in this job anyway.
Showing it to your manager will either get you a raise or the door, and if you're getting the door, it's best to add your great cost saving implementation to your CV and find somewhere that'll give you the raise.
Showing it to your manager will either get you a raise or the door, and if you're getting the door, it's best to add your great cost saving implementation to your CV and find somewhere that'll give you the raise.