In Myanmar, seven laborers, each making the equivalent of $3.00 per day, can produce 42 units per day.

In China, ten laborers, each making the equivalent of $1.75 per day, can produce 45 units. In Billings, Montana, three laborers, each making $57.00 per day, can make 105 units. Shipping cost from Myanmar to Denver, Colorado, the final destination, is S2.00 per unit.

Shipping cost from China to Denver is $1.20 per unit, while the shipping cost from Billings, Montana to Denver is $0.20 per unit.

Based on total costs (labor and transportation) per unit, the most economical location to produce the item is __________, with a total cost (labor and transportation) per unit of $. (Enter your response rounded to two decimal places.)