In Myanmar, seven laborers, each making the equivalent of $2.50 per day, can produce 42 units per day. In China, eleven 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 100 units. Based on labor cost per unit only, the most economical location to produce the item is (Enter your response rounded to two decimal places.) with a labor cost per unit of $