<prompt> Translate the following text to EnglishNi muhimu kutambua kwamba gharama ya kiwango cha juu huonyesha gharama ya ziada ya tani moja zaidi ya kupunguzwa, na si gharama ya jumla inayohusiana na kila uchafuzi.  <response>: It is important to note that marginal cost reflects the additional cost of one more ton of reductions, and not the total cost associated with each pollutant. 