For the past 2 years, Planetary Cell Phones has been working to improve the quality of its phones. Data for 2019 and 2020 follows (in thousands of phones):

2019 2020 Cell phones produced and shipped 1,500 12,000 Number of defective units shipped 75 300 75 300 90 750 Number of customer complaints Units reworked before shipping Manufacturing cycle time Average customer-response time 15 days 16 days 30 days 32 days 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, X.XX%) Percentage of defective units shipped Defective units shipped Cell phones shipped = 2019 % 2020 % b. Customer complaints as a percentage of 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, X.XX%) Customer complaints as a % of units shipped Customer complaints Cell phones shipped = 2019 = II % 2020 . = % c. Percentage of units reworked during production 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, X.XX%) % of units reworked Units reworked before shipping Cell phones produced = during production 2019 + Il % 2020 - = % d. Manufacturing cycle time as a percentage of total time from order to delivery 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, X.XX%) Mfg. cycle time as a % of Manufacturing cycle time Average customer-response time total time from order to delivery 2019 - = % 2020 % Requirement 2. Referring to the information computed in requirement 1, explain whether Reach Cell Phones' quality and timeliness have improved. (Enter percentage points to two decimal places, X.XX.) The percentage of defects has vby percentage point(s). This indicates in the quality of the cell phones being produced and shipped. The number of customer complaints has by percentage point(s) which has implications for future sales