If a unit of local government acquires real property, and federal-state financial assistance is available to pay the cost, in whole or in part, of the acquisition of such real property, or of the improvement for which such property is acquired, the cost to the unit of local government of providing the payments and services prescribed by this act¹ shall be included as part of the costs of the project for which state financial assistance is available to such unit of local government, and shall be eligible for state financial assistance in the same manner and to the same extent as other project costs.