; and (B) for the estimated costs associated with a necessary termination of the contract; and (2) the Secretary determines that a multi-year contract will serve the best interests of the Federal Government by encouraging full and open competition or promoting economy in administration, performance, and operation of BARDA's programs. (b) A contract entered into under this section— (1) shall include a termination clause as described by subsection (c) of section 3903 of title 41, United States Code