问题如下：
If the company has no deductible expense for tax purpose, it will most likely change:
选项：
A. deferred tax liability.
B. deferred tax asset.
C. nothing.
解释：
Answer is C, this expense is permanent difference, so its doesn’t has any influence in deferred tax asset or liability.
老师请问什么叫做no deductible expense for tax purpose？