On March 2, 2009. Glen Industries purchased a fleet of automobiles at a cost of $740.000. The cars are to be depreciated by the straight-line method over five years with no salvage value. Glen uses the half-year convention to compute depreciation for fractional periods. The book value of the fleet of automobiles at December 31, 2010, will be O $518,000. $592,000 O 5666,000 O $222.000