You want to buy a \( \$ 32,000 \) car. You can make a \( 10 \% \) down payment, and will finance the balance with a \( 2 \% \) interest rate for 36 months ( 3 years). What will your monthly payments be?
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To find your monthly payments, first calculate the down payment and the loan amount. A \( 10\% \) down payment on a \( \$ 32,000 \) car is \( 0.10 \times 32,000 = \$ 3,200 \). This means you'll finance \( 32,000 - 3,200 = \$ 28,800 \). Next, use the formula for monthly payments on an installment loan, which is given by: \[ M = P \frac{r(1+r)^n}{(1+r)^n - 1} \] where: - \( M \) is the monthly payment, - \( P \) is the loan amount (\$28,800), - \( r \) is the monthly interest rate (annual rate of \( 2\% \) divided by \( 12 \) months, so \( 0.02/12 ≈ 0.0016667 \)), - \( n \) is the number of payments (36 months). Plugging in the values: \[ M = 28800 \frac{0.0016667(1+0.0016667)^{36}}{(1+0.0016667)^{36} - 1} \] Calculating: 1. Calculate \( (1 + 0.0016667)^{36} \approx 1.0614 \) 2. The numerator becomes \( 28800 \cdot 0.0016667 \cdot 1.0614 \approx 51.0398 \) 3. The denominator is \( 1.0614 - 1 = 0.0614 \) Now, calculate \( M \): \[ M ≈ 51.0398 / 0.0614 ≈ 830.63 \] Thus, your monthly payments would be approximately \( \$830.63 \).