COuld you solve this question urgently please?

Productivity example Recently a firm has implemented some process improvements. The management desires to know whether or not these changes have been successful. To this end, the following data have been collected on the last four weeks' production of chocolate candy bars. Week Output(units) Worker Material(kg) 1 30,000 6 750 2 33,600 7 770 3 32,200 7 760 4 35,400 8 780 Additionally, we have the following information: (i) Workers worked for 40 hours per week. (ii) Hourly wage is $24. (iii) Overhead is computed as 150% of direct labor cost. (iv) Material costs $10 per kg. (v) Standard selling price of each candy bar is $0.95 . MANAGERIAL ISSUES/QUESTIONS? How well are we using our resources (one particular resource, or a mixture of some, or all resources) to produce output that generates revenues for our firm? . Are there any changes over time in this? . If so, why? and with what possible managerial implications? To answer these managerial questions, we are interested in the productivity measures related to these resources at specific points in time as well as over time