<prompt> Translate the following text to EnglishHata hivyo, kwa sababu punguzo kwa ajili ya barua nyingi ni gharama msingi, mapato yoyote iliyopotea inapaswa kusawazishwa na gharama zinazolingana kupunguzwa.  <response>: However, because the discounts for bulk mail are cost based, any lost revenues should be offset by corresponding reduced costs. 