Computing Depreciation Expense.

Equipment costing $810,000, with an expected scrap value of $100,000 and an estimated useful life of six years, was purchased on January 1 of the current year.

Required: Calculate the depreciation expense for the first two years of the assets useful life using (a) the straight-line method and (b) the double-declining balance method. Which method would you prefer to use for (a) income tax purposes and (b) financial reporting purposes? Why?

Please show all steps.