Help please! I need assistance findind depreciation expense and accumulated depreciation? My first depreciation expense is correct. I need assistance with the rest. I believe the number of years being 2.25 is throwing me off. Please help and explain!

Porter, Inc., acquired a machine that cost $361,000 on October 1, 2013. The machine is expected to have a five-year useful life and an estimated salvage value of $50,000 at the end of its life. Porter, Inc., uses the calendar year for financial reporting. Depreciation expense for one-fourth of a year was recorded in 2013 Required: income statement for the year ended December 31, 2015, and the balance of the Accumulated Depreciation account as of December 31, 2015. (Note: This is the third calendar year in which the asset has been used.) Depreciation expense Accumulated depreciation 62,200 202,150 202.150 b. Using the double-declining-balance depreciation method, calculate the depreciation expense for the year ended December 31, 2015, and the net book value of the machine at that date. Depreciation expense Net book value 129,960 $216,600