help with #2 and #3

2. The manager of a crew that installs carpeting has tracked the crew's output over the past several weeks, obtaining these figures: Compute the labor productivity for each of the weeks. On the basis of your calculations, what can you conclude about crew size and productivity? 3. Compute the multifactor productivity measure for each of the weeks shown for production of chocolate bars. What do the productivity figures suggest? Assume 40-hours work in a week and an hourly wage of $12. Overhead is 1.5 times weekly labor cost. Material cost is $6 per pound