a. In 2021 Navarro Corp. implemented a program to improve product quality. The quality program focused on training the managers responsible for the purchase of raw materials. The quality program also included training for direct labor assembly employees to improve skills in the manufacturing process. Selected 2022 and 2021 results for Navarro are as follows: Units Direct materials (pounds) Direct labor (hours) Cost of materials per pound Cost of direct labor per hour 2022 136,000 60,000 20,000 $ 4.00 $ 30.00 2021 124,000 54,000 18,000 $ 3.80 $28.00 Calculate the partial operational productivity of Direct Materials and Direct Labor for 2022 and 2021 (round answers to four decimals). b. Calculate the partial financial productivity of Direct Materials and Direct Labor for 2022 and 2021 (round answers to four decimals). C. Was Navarro's quality program effective? Support your answer with relevant insights from your productivity analysis above (don't repeat calculated amounts from above).