Business process reengineering $$

a$.$ involves radically redesigning and streamlining the workflow $($typically enabled by cutting$-$edge of online technology and information systems$),$ with the goal of achieving quantum gains in performar of the activity.

b$.$ is not a useful tool for streamlining a company's work effort and moving it closer to operational excellence.

c$.$ is the major tool that ambidextrous organizations deploy to drive continuous improvement effort

d$.$ is typically cheaper and easier than using Six Sigma techniques to achieve the same cost savir