Price design Architecture

Price architectural design in Vietnam?
On this page you can see the price of a complete architectural design for a house under $ 4,000 (the current exchange rate equivalent to 80 million VND) with an area of over 5000 sq ft (about 500m2).
With an area as above, with about 150.000/m2 design costs are about 75 million VND
Not discuss the content and quality of products
Expensive or cheap?
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