Briana, who is single, has taxable income for 2019 of $90,000, resulting in a total tax of $15,775. Her total economic income is $100,000. Briana's average tax rate and effective tax rate are, respectively, O A. 17.53% and 15.78%. OB. 15.78% and 24% O C. 17.53% and 24%. OD. 15.78% and 17.53%