Our base price for chipped butea superba is 20 US dollar per 500 gram. Whenever the purchased quantity is the double of a previously doubled quantity, then the price is multiplied by 1.6 or, for quantities above 8 kg, by 1.8. Thus, the levels at which discounts become effective are: 1 kg, 2 kg, 4 kg, 8 kg, 16 kg, 32 kg, and so on.

However, we do not ship round quantities for less than 64 kg, because these quantities are shipped by postal service. Shipping costs are a substantial portion of the overall costs; we therefore always stay below the weight limits at which there is a stark increase of postal charges. For example, we ship 1.95 kg instead of 2.1 kg. To arrive at an overall package weight of less than 2 kg (to stay with the example), the net amount of butea superba chips that we ship is 1.65 kg. For a quantity of 1.65 kg, the per-kilo price for 1 kg applies.

After computing quantities and prices of butea superba by the above rules, we just add the shipping, packaging, and handling costs which are different for airmail and surface mail.

Our base price for chipped butea superba is 20 US dollar per 500 gram.

1 kg - 20 X 1.6 = 32 USD

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2 kg - 32 X 1.6 = 51.20 USD

51.20 / 2 = 25.60 per kilo

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4 kg - 51.20 X 1.6 = 81.92 USD

81.92 / 4 = 20.48 per kilo

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8 kg - 81.92 X 1.6 = 131 USD

131 / 8 = 16.38 per kilo

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16 kg - 131 X 1.8 = 235.80 USD

235.80 / 16 = 14.73 per kilo

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32 kg - 235.80 X 1.8 = 424.44 USD

424.44 / 32 = 13.26 per kilo

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64 kg - 424.44 X 1.8 = 764 USD

764 / 64 = 12 per kilo

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128 kg - 764 X 1.8 = 1375.20 USD

1375.20 / 128 = 10.74 per kilo

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256 kg - 1375.20 X 1.8 = 2475.36 USD

2475.36 / 256 = 9.67 per kilo

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512 kg - 2475.36 X 1.8 = 4455.65 USD

4455.65 / 512 = 8.70 per kilo

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1024 kg - 4455.65 X 1.8 = 8020.17 USD

8020.17 / 1024 = 7.83 per kilo

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2048 kg - 8020.17 X 1.8 = 14436.31 USD

14436.31 / 2048 = 7.04 per kilo

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4096 kg - 14436.31 X 1.8 = 25985.358 USD

25985.358 / 4096 = 6.34 per kilo

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