Machinery purchased for $75,000 by Novak Co. in 2021 was originally estimated to have a life of 8years with a salvage value of $5,000 at the end of that time. Depreciation has been entered for 5 years on this basis. In 2026, it is determined that the total estimated life should be 10 years with a salvage value of $5,625 at the end of that time. Assuming straight-line depreciation.