The document presents a case study on Seminole Gas and Electric considering whether to refund high interest bonds. It analyzes the costs and savings of refunding now versus postponing for six months. Refunding now yields a positive NPV of $84.5 million. Postponing yields a higher NPV of $199 million as interest rates are expected to decline further. It is recommended to postpone refunding for now and reevaluate in six months.