Company A's non-current assets have a residual value of zero, a beginning book value of €5,000, and an initial cost of €10,000. Company A uses an annual depreciation percentage of 10%. Its statutory (and effective) tax rate is 30 percent. What adjustments would an analyst make to company A's current year's tax expense if she assumes that company A's depreciation percentage should be 12%?
A. Decrease tax expense by €60
B. Increase tax expense by €60
C. Decrease tax expense by €30
D. Increase tax expense by €30
E. No adjustment