The financial performance of a firm should be the only consideration when assessing a strategy. should be used along with other measures, including some that are qualitative, to assess a strategy. is unlikely to be reported accurately in financial statements, as can be seen with Lehman Bros. (2008) and Luckin Coffee (2020), so it is of little use when assessing a strategy. is more easily deduced by outsiders when the firm is privately held rather than publicly traded.The residual income above that from normal profit that derives from the efforts of management is known as excess rent. windfall profit. economic profit. return on investment