Question 10 • Financial Math
For a single filer in 2023, the first $11,000 is taxed at 10%, and income from $11,000 to $44,725 is taxed at 12%. The tax is $1,100 + 0.12 × ($44,725 − $11,000) = $5,147. The effective tax rate is $5,147 ÷ $44,725 × 100 ≈ 11.51%, so the correct choice is A: $5,147 and 11.51%.
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