Consider the compression of 75 kg/s of carbon dioxide from 1 bar and 45 °c to 50 bar. 3.2.1 calculate the work requirements and outlet temperature for a 1-stage, 2-stage, 3-stage and 4- stage compression system. assume polytropic compression and an efficiency of 85%. assume that the inter-stage coolers reduce the temperature to 45 °c (12) 3.2.2 comment on the work requirements and the discharge temperatures for the various systems