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 $$12.$ Overhead is $1\mathrm{.}5$ times weekly labor cost. Material cost is $$6$ per pound.

$\backslash$table$[[$Week$,$Output $($units$),$Workers,Material $($lbs$)],[1,30,000,6,450],[2,33,600,7,470],[3,32,200,7,460],[4,35,400,8,480]]$