Please I need 1 line explanation for each answer as well Thanks

7. In order to improve their total productivity, they studied the (7 Ms). They found that the main reason why the total productivity equaled 5 is due to the workers not feeling worthy. Based on the (7 Ms), this means they had a problem in: O a. man a. O b. method O c. morale O d. money 8. Mariana & Medro designed (M&M)'s kitchen so that there would not be any unnecessary motions by the staff that could cause injuries. They were applying the concepts of: a. capacity planning O b. green operations O c. sustainability O d. lean production