Can you please tell me how to find answer for this one?

Mang Pacifico Co. recently paid P3000000 cash for the net assets of Mang Satur Co. which had a book value of P4,000,000. The book values of the assets and liabilities approximate their fair values except as noted below: Book value Fair value Inventory P 400,000 P 450,000 Land 300,000 500,000 Building and equipment, net 1,400,000 1,550,000 Patents, net 100,000 60,000 Long-term debt ( 500,000) (400,000) If the NCI is valued at P700000, the goodwillfgain on acquisition should be