Estimate the cost of operating labor (col), the cost of utilities (cut), cost of raw materials (crw), cost of waste treatment (cwt) and the cost of manufacturing (comd) for the dimethyl ether production process given in project b.1 of appendix b in tsbw. use a stream factor of 0.9. do not consider utilities associated with tower operation. assume a fci of $12 million. assume tertiary treatment is needed to remove trace organics from the wastewater.