ABC Co. purchased a machine on January 1, 2017 for P12,000,000 with estimated useful life of 10 years and no salvage value. The machine is depreciated using the straight line method. The Corporation decided to use the sum of the year's digit method of depreciation beginning January 1, 2020. At December 31, 2019. It was determined that the remaining useful life of the machine is 4 years and salvage value is P1,000,000. How much will be book value of machine on January 1, 2022?