Katarina,a Single Taxpayer,has Total Income from All Sources of $100,000

Katarina,a single taxpayer,has total income from all sources of $100,000 for 2017.Her taxable income after taking into consideration $25,000 in deductions and $10,000 in exclusions is $65,000.Katarina's tax liability is $11,989.What are Katarina's marginal,average,and effective tax rates?

A) 28% marginal;18.4% average;18.4% effective.
B) 25% marginal;16.0% average;16.0% effective.
C) 25% marginal;16.0% average;18.5% effective.
D) 25% marginal;18.4% average;16.0% effective.
E) 28% marginal;16.0% average;18.4% effective.