18. 21-2020 Consideration of an Ordinance of the City Council of the City of Lewisville, Texas, Authorizing the Issuance of City of Lewisville, Texas, General Obligation Refunding Bonds in One or More Series, in an Aggregate Principal Amount Not to Exceed $140,000,000; Levying a Tax in Payment Thereof; Awarding the Sale Thereof and Approving Execution of One or More Purchase Agreements, Deposit Agreements and Escrow Agreements; Approving the Official Statement; and Enacting Other Provisions Relating to the Subject.