The Seoul Company purchased an office equipment with a useful life of 10 years on 1 January 2018 for P6,500,000. At its year end of 31 December, the amount the company would receive form the disposal of the asset if it was already of the age and in the condition expected at the end of its useful life was estimated at P700,000. Inclusive of inflation the actual amount expected to be received on disposal was estimated at P900,000. What should be the depreciation charge for the year ended 31 December 2018?_