(b) The report under (a) of this section shall be in writing, describe the proposed undertaking in detail, and specify
- (1) its financial impact on the corporation;
- (2) its impact on the level and nature of services provided by the corporation;
- (3) the reasons the action is necessary or desirable to achieve the purposes of this chapter;
- (4) whether and when the undertaking or service is expected to be self-sustaining financially; and
- (5) if the undertaking requires an appropriation to be used for providing a service that is not self-sustaining, that the amount of the appropriation has been strictly calculated in accordance with United States Surface Transportation Board standards for determining rail service subsidies.