<value><string>A per unit base price applying to the products whose quantity is in slice. This per unit base price will be weighted with the per unit base price of other slices.\n
This property is useful for the following case :\n
0-10 products cost 10$, and 11-inf products cost 9$. Thus in a command of 15 products, the unit base price is 9.6667$, as 10 * 10 + 5 * 9 = 145, and 145 / 15 = 9.6667</string></value>
<value><string>quantiy range of the items for which the sliced_base_price will be applied if base_price_per_sliced is True.\n
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sliced_quantity_range is a 2-tuple : (min_bound, max_bound)</string></value>
Defines if the base_price of maching quantity step should be used as unit price for all items (value is False), or if it applies only to items of the range (value is True).\n
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If this property is set to True, the base_price will be calculated as such :\n
if 0->10 products cost 10$, and 11->infinity products cost 9$, in a command of 15 products, the unit base price is 9.6667$, as the 10 first products cost 10$, and the 5 others cost 9$ (and (10*10+5*9)/15 = 9.6667)
