The original cost for a certain piece of equipment is P150, 000 and it depreciated by 10% sinking fund method. What is the annual depreciation charge if the book value of the equipment after 10 years...

The original cost for a certain piece of equipment is P150, 000 and it depreciated by 10% sinking fund method. What is the annual depreciation charge if the book value of the equipment after 10 years is the same as if it had been depreciated at P14, 000each yearby straight line formula?