; or (B) upon making a determination that a loan or loan guarantee is necessary to avert the disruption, strain, compromise, or elimination of a supply chain that would severely affect the economic security of the United States. (4) Maximum Federal involvement The proceeds of a loan under this section may be used to pay any non-Federal share of activity costs required if the loan is repayable from non-Federal funds. (5) Loan guarantees The Under Secretary may provide a loan guarantee to a lender in lieu of making a loan under this subsection. (6) Loan guarantee terms The terms of a loan guarantee provided under this subsection shall be consistent with the terms established in this subsection for a loan. (k) Creditworthiness (1) In general For a loan or loan guarantee issued under subsection (j), the eligible activity and eligible entity receiving such loan or loan guarantee shall be creditworthy, which shall be determined by the Under Secretary. (2) Considerations In determining the creditworthiness of an eligible activity and eligible entity, the Under Secretary shall take into consideration relevant factors, including the following: (A) The terms, conditions, financial structure, and security features of the proposed financing. (B) The revenue sources that will secure or fund any note, bond, debenture, or other debt obligation issued in connection with the Federal financing. (C) The financial assumptions upon which the loan or loan guarantee is based. (D) The ability of the eligible entity to successfully achieve the goal of the activity. (E) The financial soundness and credit history of the eligible entity. (l) Conditions The Under Secretary is authorized to prescribe— (1) either specifically or by maximum limits or otherwise, rates of interest, guarantee and commitment fees, and other charges which may be made in connection with a loan or loan guarantee made under this section