The table shows the income tax brackets and tax rates for single taxpayers in Monrovia. [Questions 31-33 are related.] Refer to the table. How much income tax does Sylvia pay if she is a single taxpayer with an adjusted gross income (AGI) of $80,000? Income Tax Marginal Tax Bracket Rate $0 - 6,000 10% 6,001 - 20,000 15% 20,001 - 44,500 22% 44,501 and over 30% A. $21,000 O B. $15,740 O C. $18,740 O D. $24,000