Quantity Tolerance Allowed for Zippers
Amount	Margin for + (more)
From 50 to 100 pieces	10,00%
From 101 to 250 pieces	8,00%
From 251 to 300 pieces	7,00%
From 301 to 750 pieces	6,00%
From 751 to 1.000 pieces	5,00%
From 1.001 to 2.500 pieces	4,00%
Above 2.500 pieces	3,00%