Please don't answer me the same as previous expert answered.

Please show calculations.

TR21-1 Change of Policy: Larry Corp. purchased a capital asset for $ 150,000 in early 20X3. Management estimated that the asset would have a 10-year Page 1500 life with an estimated residual value of $20,000 and would be depreciated on a straight-line basis with a full year's depreciation in the year of purchase. In 20X5, management decides to change the depreciation method to 10% declining balance. This is a change in policy because the change is motivated by a desire to conform to industry practice. The tax rate is 30%. Required: 1. Calculate depreciation expense for 20X3-20X5, inclusive, using the old policy and then the new policy. 2. Calculate the effect of the change on opening 20X5, 20X4, and 20x3 retained earnings, if any