What need to David prioritize through the Management phase to make sure sustained reductions in billing faults? Selection-1: Carry out a whole new root induce Investigation to check out other variables contributing to billing glitches. What need to Daniel do to make sure the sustainability of course of action improvements https://paysomeonetodosixsigmacou47277.designertoblog.com/59709151/a-review-of-six-sigma-certification-help