In myanmar, six laborers, each making the equivalent of $ 2.50 per day, can produce 42 units per day. in china, nine laborers, each making the equivalent of $ 2.00 per day, can produce 51 units. in billings comma montana, two laborers, each making $ 57.00 per day, can make 105 units. based on labor cost per unit only, the most economical location to produce the item is , with a labor cost per unit of