Array
(
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        (
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            [lower_limit] => 5
            [usergroup_id] => 0
            [percentage_discount] => 0.00
            [price] => 0.21
        )

    [1] => Array
        (
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            [usergroup_id] => 0
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        )

    [2] => Array
        (
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            [usergroup_id] => 0
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        )

    [3] => Array
        (
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    [4] => Array
        (
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    [5] => Array
        (
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        )

    [6] => Array
        (
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        )

    [7] => Array
        (
            [product_id] => 352242
            [lower_limit] => 100000
            [usergroup_id] => 0
            [percentage_discount] => 0.00
            [price] => 0.02
        )

)