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.$)$

$\backslash$table$[[$Week$,$Output $($units$),$Workers,Material $($Ibs$)],[1,28,000,6,450],[2,33,000,8,540],[3,32,000,7,520],[4,35,000,10,550]]$