If all projects are assigned the same discount rate for purposes of evaluation, which of the following could occur? A. Highminusrisk projects could be accepted when in fact they are poor investment choices. B. Lowminusrisk projects could be rejected when in fact they are good investment choices. C. Highminusrisk projects could be accepted when in fact they are good investment choices. D. All of the choices could occur when using a single discount rate for all projects.