1. Retail labor (sales employees, management, etc.)
2. Facility costs (rent for retail space, maintenance, etc.)
3. Security personnel
3. Employee benefits
4. Taxes
5. "Shrink" due to loss of product, theft, etc.
6. IT and other administrative costs
You're also not factoring in the palm-greasing, back scratching and bribery of local government officials to overlook the building codes of the factories.
Um... Building codes? Bangladesh?