The asset's book value is $64,800 on June 1, Year 3. On that date, management determines that the asset's salvage value should be $6,400 rather than the original estimate of $11,400. Based on this information, the amount of depreciation expense the company should recognize during the last six months of Year 3 would be:

a. $2,366.37
b. $4,866.67
c. $1,958.33
d. $2,433.33
e. $2,700.00