on Jan . 1 , 2013 , ABC Corporation put into service a milling machine that had a capitalized acquisition cost of 35,000 a useful fe of 15 years , and an estimated salvage value of 5000

Annual depreciation expense was calculated as $ 2 000 / yr on a straight-line basis . On Jan . 1 , 2019 , ABC revises the total useful life estimate to 18 years . In answering the following questions , show your work , including labeling of computations

a.What is the remaining depreciable cost as of January 1 , 2019 ?

b . What is the revised annual depreciation expense after the change in useful life ?