Pads Corp. is contemplating the purchase of a large stamping machine which will cost Php 500,000. With additional transportation and installation costs of Php 40,000 and 65,000. Its market value at the end of 5 years is estimated at Php 75,000. What is the accumulated depreciation at the end of year 4 using, (a) declining balance method? (b) sum of the years method? (c) sinking fund method (9%)? Round off your answers to the nearest 2 decimal places