Question 2 • Mathematics for Data and Financial Literacy
There are 12 monthly deposits per year, so the monthly interest rate is 0.045 ÷ 12 = 0.00375, and the total number of months is 12 × 10 = 120. Substituting into the formula gives P = 300,000(0.00375) ÷ ((1.00375)^120 − 1) ≈ $1,984.15. The required monthly deposit is $1,984.15, choice C.
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