For the past 2 years, Universal Cell Phones has been working to improve the quality of its phones. Data for 2019 and 2020 follows (in thousands of phones): (Click the icon to view the information.) Data table 2019 2020 Cell phones produced and shipped Number of defective units shipped 2,500 10,000 100 500 Number of customer complaints 125 600 Units reworked before shipping 150 400 Manufacturing cycle time 15 days 18 days Average customer-response time 40 days 30 days -