Question mark) Sherw Inebegan operations in 2015 and adopted straight-line depreciation in 2017. Sherw changed its depreciation method to double declining method. The petax income data is reported below. Year Straight-Line Double-declining 2015 $290,000 $490,000 2016 $310.000 5520,000 2017 $330,000 $600,000 Instructions: a. What is Sherw's net income in 2017? Assume a 30% tax rate in all years. b. Compute the cumulative effect of the change in accounting principle from straight-line depreciation to double-declining method. - Show comparative income statements for Sherw's Company, beginning with income before income tax, as presented on the 2017 income statement