Machinery purchased for $74,400 by Splish Co. in 2016 was originally estimated to have a life of 8 years with a salvage value of $4,960 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 $5.580 at the end of that time. Assume straight-line depreciation. (a) Prepare the entry to correct the prior years' depreciation, if necessary. (If 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