A productivity index of $110$ means that accompanies labor cost would happen in $10$ higher if it had not made production improvements now refer to the income statement in Chester annual report the direct labor cost for Chester $$32680$labor cost could have been $$20000$ higher in investments and training that increase productivity has not been made what was the productivity index for Chester that led to such savings? $161\mathrm{.}2\%,155\mathrm{.}1\%,38\mathrm{.}8\%,$ or $44\mathrm{.}9\%$