Question 1 • Financial Math
For monthly withdrawals, use the monthly interest rate: 4.8% ÷ 12 = 0.004, with 20 × 12 = 240 monthly payments. Substituting into the formula gives P = 500,000(0.004) ÷ [1 − (1.004)⁻²⁴⁰] ≈ $3,244.79. So Zara will receive approximately $3,244.79 each month, choice B.
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