please sir apas?

2) On January 1, 2019, the machine was rebuilt at a cost of $7,000. After it was rebuilt, the total estimated life of the machine was increased to five years (from the original estimate of three years) and the residual value to $6,000 (from $3,000). Assume that the company chose the straight-line method for depreciation. Compute the annual depreciation expense after the change in estimates