What are DPMO (Defects Per Million Opportunities) and DSO (Days Sales Outstanding)?

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DPMO and DSO are key performance indicators used in quality management and finance, respectively.

DPMO (Defects Per Million Opportunities) is a measure of the number of defects in a process per million opportunities for a defect to occur.
DSO (Days Sales Outstanding) is a financial metric that measures the average number of days it takes for a company to collect payment after a sale.
DPMO is commonly used in Six Sigma methodology to assess the quality of a process, while DSO is used in financial analysis to evaluate the efficiency of a company's accounts receivable management.
For example, a DPMO of 500 means there are 500 defects per million opportunities, while a DSO of 30 days indicates it takes an average of 30 days for a company to collect payment from its customers.

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