If a manager uses the firm's WACC to evaluate an investment project, what assumptions does she make? Select the correct statement(s). The project's risks are different to the risks of the firm's existing projects. The project's risks remains unchanged for the lifetime of the project. The project is financed in identical proportions of equity and debt as the firm's existing capital structure. The proportions of equity and debt used to finance the project will remain constant throughout the lifetime of the project. The amounts of equity and debt used to finance the project will remain constant throughout the lifetime of the project