If business risk of company changes as a result of an investment project, then using the WACC of a company in investment appraisal is not appropriate, and a project-specific discount rate should be calculate in such a case. Right?
However, if financial risk of company changes as a result of an investment project, then using the WACC of a company in investment appraisal is not appropriate and in this case project-specific discount rate should be calculated OR marginal cost of capital should be calculated?