D. ID 21-2304 Consider adoption of an ordinance of the City of Denton, a Texas home-rule municipal corporation, authorizing the City Manager to execute a contract with N. Harris Computer Corporation, for the purchase of SilverBlaze, utility billing software to be used by the Customer Service Department, which is the sole provider of this software, in accordance with Texas Local Government Code 252.022, which provides that procurement of commodities and services that are available from one source are exempt from competitive bidding, and if over $50,000 shall be awarded by the governing body; providing for the expenditure of funds therefor; and providing an effective date (File 7621 - awarded to N. Harris Computer Corporation, for one (1) year, with the option for four (4) additional one (1) year extensions, in the total five (5) year not-to-exceed amount of $761,008.78). The Public Utilities Board recommends approval (7 - 0).