i have questions . show how to do it please

1. Compute the labor productivity for each of the weeks (5 points). On the basis of your calculations, which crew size yields the highest productivity? (5 points) Labor Productivity per Week Crew Size Yards Installed Worker 1 5 105 2 2 60 4 92 3 81 5 3 72 2 56 3 2. Compute the multifactor productivity measure for each of the weeks shown for production of chocolate bars (20 Points). Which week had the best productivity (5 Points) Assume 40 hour weeks and an hourly wage of $15. Overhead is 2 times weekly labor cost. Material cost is $8 dollars per pound. Week 1 Number of Workers 5 Material (lbs) 430 470 460 Output 35,000 43,600 42,200 45,400 2 6 7 3 4 8 480 3. An operation has a 5 percent scrap rate. As a result, 45 pieces per hour are produced. How many pieces were originally made? (10 Points) 4. A manager checked production records and found that a worker produced 150 units while working 42 hours last week. This week, the same worker produced 160 units while working 38 hours. By how much did the worker's productivity increase or decrease? (15 Points)