Researchers at PNNL's Radiochemical Processing Laboratory are acquiring procedures to advance the cleanup of radiological and hazardous wastes; the processing and disposal of nuclear fuels; as well as generation and shipping of medical isotopes.[6] Economic gain=revenues−explicit expenses−prospect costs​ In case you excluded the opportunity charges from this equation, you'd get https://www.youtube.com/watch?v=HWYVaQA8oTQ