Along with several other members of the upper management team, you've just completed an assessment of your organization's manufacturing plant. To meet demand for product, the group has determined that the plant must operate at a minimum of 75% capacity for at least 250 working days each year with no more than a total of 50 hours of down time due to accidents or other disruptions. The plant must produce 20,000 parts annually, with a cap of 2.5% of parts rejected after inspection. What approach should your team use to measure effectiveness of plant operations