INQUIRING FROM THE NATIONAL GRID CORPORATION OF THE PHILIPPINES (NGCP) AND MASINLOC POWER PARTNERS CO. LTD. (MPPCL) THE POSSIBLE CONSEQUENCES OF A FAVORABLE ACTION ON THEIR APPLICATION RELATIVE TO ENERGY REGULATORY COMMISSION (ERC) CASE NO. 2018-10 VIS-À-VIS THE COSTS OF POWER RATES, PARTICULARLY IN THE PROVINCE OF IFUGAO