Southern Corporation has been depreciating equipment over a 10-year life using the sum-of-the-years’-digits method. The equipment was acquired January 1 of Year 1 and cost $108,800 (estimated residual value, $20,800). The company decided to change to straight-line depreciation, effective at the beginning of Year 5 with no change in the estimated useful life or the residual value. The annual accounting period ends December 31.
a. Compute accumulated depreciation on December 31 of Year 4 before the change in depreciation method.

Note: Carry all decimals in calculations; round final answers to the nearest dollar.
b. Prepare the journal entry for depreciation expense in Year 5.