In medicine, we use an analogous concept to specify the desired cost/benefit of a therapeutic or medical intervention. The benefit is measured in quality‐adjusted life‐years (QALY), and the valuation is usually $50 000 per QALY. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1497852/. https://www.tandfonline.com/doi/full/10.1586/14737167.8.2.165?src=recsys. https://www.science.gov/topicpages/q/quality‐adjusted+life‐years+qaly.