<prompt> Translate the following text to EnglishIngawa EPA ina uhakika wa takwimu za gharama zilizowekwa katika uchambuzi, makadirio ya faida ni ngumu zaidi kwa sababu ya kutokuwa na uwezo wa EPA ya kutathmini kwa kiasi faida zote za binadamu na mazingira na kugawa thamani ya fedha kwa faida hizi kwa kulinganisha katika mfumo wa kawaida wa gharama-faida.  <response>: While the analysis states that EPA is confident of the cost figures included in the analysis, an estimation of the benefits is more difficult because of EPAs inability to quantitatively evaluate all human and ecosystem benefits and to assign monetary values to These benefits for a comparison in a standard cost-benefit framework. 