For the past 2 years, Worldwide Cell Phones has been working to improve the quality of its phones. Data for 2019 and 2020 follows (in thousands of phones): BEE (Click the icon to view the information.) Read the requirements. Requirement 1. For each year, 2019 and 2020, calculate: a. Percentage of defective units shipped Select the formula you will use to calculate the percentage. Then enter the amounts in the formula and calculate the percentage for both 2019 and 2020. (Round the percent to two decimal places, XXX%) Requirements 11 Percentage of defective units shipped 1. For each year, 2019 and 2020, calculate the following: a. Percentage of defective units shipped b. Customer complaints as a percentage of units shipped c. Percentage of units reworked during production d. Manufacturing cycle time as a percentage of total time from order to delivery 2. Referring to the information computed in requirement 1, explain whether Worldwide Cell Phones' quality and timeliness have improved. Print Done Data table 2019 2020 Cell phones produced and shipped Number of defective units shipped Number of customer complaints Units reworked before shipping Manufacturing cycle time Average customer-response time 2,500 10,000 125 400 190 250 150 700 13 days 14 days 28 days 26 days Print Done