A leading domestic gas meter manufacturer was facing a wide range of quality issues and observed wastage at several stages of the supply chain. It analyzed performance data of the process over a period of one month. The table presents the results.

Draw a Pareto chart to identify the key issues the business must focus on to improve the situation.

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Type of Wastage Assembly components not con- forming to quality Product damage during work in progress Rejection after final assembly Number of Occurrences 345 140 55