ompletion of job, $100$ skilled workmen, $40$ semi$-$skilled workmen and $60$ unskilled workmen worked for $30$ weeks. Standard weekly is $$60,$ semi$-$skilled workmen is $$36$ and unskilled workmen is $$24.$ The job completes in $32$ weeks by $80$ skilled, $50$ semi$-$skilled

Actual wages per week is $$65$ for skilled, $$40$ for semi$-$skilled and $$20$ for unskilled workmen

he given options, determine labor yleld variance.

$760$ adverse

$9\mathrm{.}200$ fevorable

$17\mathrm{.}760$ fevoreble

$19\mathrm{.}200$ adverse