MARIO MAGAT, SR., MARIO S. MAGAT, JR. MARIO S. MAGAT, III, MA. MARGARITA M. ESTAVILLA, MA. MARJORIE S. MAGAT, ALL SUBSTITUTE PARTIES AND HEIRS OF THE DECEASED PARTY, JULIANA S. MAGAT, PETITIONERS, VS. TANTRADE CORPORATION AND PABLO S. BORJA, JR., RESPONDENTS