Darren works in a metals factory and has repeated the same tasks for years now. He notices that he can save time if he repurposes one tool to assist in another process. He discusses the new tool with his supervisor, and the company realizes that it offers efficiencies and wants to use it in other factories. What describes Darren's actions?

a$.$ Imitation

b$.$ Innovation

c$.$ Invention

d$.$ Strategic entrepreneurship