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. Material (lbs) Week 1234 Output (units) Workers 30,000 6 450 33,600 7 470 32,200 7 460 35,400 8 480