SECTION 1. Section one of Republic Act Numbered Nine hundred twenty-four, as amended, is hereby further amended to read as follows:
"SECTION 1. The annual salary of each judge of the municipal courts of chartered cities shall be:
"(a) Of the City of Manila, fifteen thousand pesos;
"(b) Of Baguio, Quezon City and Pasay City, fourteen thousand pesos;
"(c) Of first class cities, thirteen thousand two hundred pesos;
"(d) Of second class cities, twelve thousand pesos;
"(e) Of third class cities, eleven thousand pesos;
"(f) Of fourth class cities, ten thousand pesos; and
"(g) Of fifth class cities, nine thousand pesos: Provided, however, That the difference between the present salary of the city judge and that herein fixed shall be paid out of the funds of the National Treasury."