(1) The United States Governments share of the costs of financial assistance for a project under this chapter is 50 percent, except that for assistance provided under section
22101 (a)(2) of this title, the Governments share is 70 percent. The State may pay its share of the costs in cash or through the following benefits, to the extent that the benefits otherwise would not be provided:
(A) forgiveness of taxes imposed on a rail carrier or its property.
(B) real and tangible personal property (provided by the State or a person for the State) necessary for the safe and efficient operation of rail freight transportation.
(C) track rights secured by the State for a rail carrier.
(D) the cash equivalent of State salaries for State employees working on the State project, except overhead and general administrative costs.