A company bought an electric motor two years ago at a cash price of P 275, 000 and will lasts ten more years. It is expected that five years from now, its book value will become P 124, 500 if...

A company bought an electric motor two years ago at a cash price of P 275, 000 and will lasts ten more years. It is expected that five years from now, its book value will become P 124, 500 if depreciation uses the Straight Line Formula. Find:
a) the scrap value of the motor.
b) the book value of the motor three years from now.