View Policies Current Attempt in Progress Machinery purchased for $69.000 by Vaughn Co. In 2016 was originally estimated to have a life of 8 years with a salvage value of $4,600 at the end of that time. Depreciation has been entered for 5 years on this basis. In 2021, it is determined that the total estimated life should be 10 years with a salvage value of $5,175 at the end of that time. Assume straight-line depreciation (a) Prepare the entry to correct the prior years' depreciation, if necessary. Of no entry is required, select "No entry" for the account titles and enter O for the amounts. Credit account titles are automatically indented when amount is entered. Do not indent manually) Account Titles and Explanation Debit Credit