Answer :
revenue = $2000
labor cost per worker working 40 hrs = 8 . 40 = 320
for 2 workers = 640
as a % of revenue = ( 640 . 100)/2000 = 32%
labor cost per worker working 40 hrs = 8 . 40 = 320
for 2 workers = 640
as a % of revenue = ( 640 . 100)/2000 = 32%