On January 2, 2003. Garr Company acquired machinery at a cost $320,000. This machinery was being depreciated by the double declining balance method over an estimated useful life of eight years, with no residual value. At the beginning of 2005, it was decided to change to the straight line method of depreciation. Ignoring income tax consideration, the cumulative effect of this accounting change is

a. $0

b. $60,000

c. $65,000

d. $140,000