AN ORDINANCE APPROPRIATING THE AMOUNT OF ONE BILLION SIX HUNDRED THIRTY EIGHT MILLION FOUR HUNDRED TWENTY FIVE THOUSAND NINETEEN PESOS AND TEN CENTAVOS (P1,638,425,019.10) AS CY 1992 REVISED EXECUTIVE BUDGET TO BE MADE AVAILABLE AS APPROPRIATION OF THE CITY GOVERNMENT OF MANILA TO BE TAKEN FROM THE ESTIMATED INCOME CERTIFIED AS REASONABLY COLLECTIBLE BY THE CITY TREASURER FOR CALENDAR YEAR 1992 PURSUANT TO THE PROVISIONS OF REPUBLIC ACT 7160, OTHERWISE KNOWN AS THE LOCAL GOVERNMENT CODE OF 1991, AS IMPLEMENTED BY MEMORANDUM CIRCULAR NO. 18 OF THE DEPARTMENT OF BUDGET AND MANAGEMENT.