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Hi Dmitry, thanks for your quick reply.

My store is organized as follows: a product has multiple variations, each with its own sku, for example: the product with sku 00100 has 3 variations: 00100-01, 00100-02 and 00100-03, and each variation has your own price. The sku 00100 (that is, the main product, not the variations) has a price of 0, since it only works as a "grouper" of variations.

In this case, could Price Optimizer A / B work?