Suggest a criterion to evaluate a company$’$s quality performance before and after it executes Total Quality Management or ISO $9000$ quality system $($design a framework which consists of parameters or characteristics which can be used to collect data and be measured, for example, the customer complaints number and nonconformance rate of products before and after its execution of quality system, etc.$).$ Explain the correlation between a company$’$s business performance and quality performance, as some example companies showed that they got their national quality award but finally they got into bankruptcy. Are these general trend or only exceptional?