<prompt> Translate the following text to SwahiliThe marginal cost of mercury reductions by 2015 ranges from 350 millionton to 432 millionton, again depending on the scenario.  <response>: Gharama ya chini ya kupunguza mercury hadi 2015 inatofautiana kutoka 350m kwa tani hadi 432m kwa tani, tena kulingana na hali. 