How does the management by means $($MBM$)$ approach differ from the management by objectives $($MBO$)$ approach?

Unlike MBM$,$ the MBO method focuses on the means to achieve the goal rather than on the goal itself.

Unlike MBO, the MBM method requires the appraisal of both individuals and departments in a company.

Unlike MBM$,$ the MBO method makes success or failure to achieve goals part of the appraisal system.

Unlike MBO, the MBM method results in employees behaving unethically to achieve targets.