In Myanmar?, seven ?laborers, each making the equivalent $3.50 per? day, can produce 42 units per day. In China?, ten ?laborers, each making the equivalent of $2.00 per? day, can produce 45 units. In Billings, Montana?, two ?laborers, each making $57.00 per? day, can make 105 units. Based on labor cost per unit? only, the most economical location to produce the item is?, with a labor cost per unit of ?$.