For each situation, identify the cost reduction measure: activity elimination, activity reduction, activity sharing, or activity selection.

Inspection time for a plant is $16,000$ hours per year. The cost of inspection consists of salaries of $8$ inspectors, totaling $$320,000.$ Inspection also uses supplies costing $$5$ per inspection hour. The company eliminated most defective components by eliminating low$-$quality suppliers. The number of production errors was reduced dramatically by installing a system of statistical process control. Further quality improvements were realized by redesigning the products, making them easier to manufacture. The net effect was to achieve a close to zero$-$defect state and eliminate the need for any inspection activity.