Kent has $500,000 in equipment and machinery that was acquired on January 2, 2009. Kent has been using the double-declining balance method to depreciate the equipment over an estimated 10 year economic life with no salvage value. On January 1, 2011, Kent decides to change to the straight line method with no salvage value. Kent has a 40% tax rate. Calculate the following:

1. Accumulated depreciation at 12/31/10
2. Depreciation expense for 2011
3. Accumulated depreciation at 12/31/11

Indicate the amount of the accounting change shown net of tax if appropriate.

I have the answers, can you work them out so I know how to find them please