NATIONAL POWER CORPORATION BOARD OF DIRECTORS MESSRS. MARGARITO B. TEVES, RONALDO V. PUNO, JOSE L. ATIENZA, AUGUSTO B. SANTOS, PETER B. FAVILA, ARTHUR C. YAP, ROLANDO G. ANDAYA, FROILAN A. TAMPINCO, AND VARIOUS PAYEES OF THE NATIONAL POWER CORPORATION, PETITIONERS, VS. COMMISSION ON AUDIT, RESPONDENT