Compute the multifactor productivity measure for each of the weeks shown for production of chocolate bars. Assume 40-hour weeks and an hourly wage of $18. Overhead is 3 times weekly labor cost. Material cost is $4 per pound. What is the productivity of the most productive week? (Round your answers to 2 decimal places.) O 1.31 1.47 O 1.78 O 2.99 O 1.44 Week Output (units) Workers Material (lbs) 1 28,000 6 450 2 33,000 8 540 3 32,000 7 520 4 35,000 10 550