Questions: Recently, More Money 4 U offered an annuity that pays 4.8% compounded monthly. If 982 is deposited into this annuity every month, how much is in the account after 4 years? How much of this is interest? Type the amount in the account: (Round to the nearest dollar.)

Recently, More Money 4 U offered an annuity that pays 4.8% compounded monthly. If 982 is deposited into this annuity every month, how much is in the account after 4 years? How much of this is interest?

Type the amount in the account:  
(Round to the nearest dollar.)
Transcript text: Recently, More Money 4 U offered an annuity that pays $4.8 \%$ compounded monthly. If $\$ 982$ is deposited into this annuity every month, how much is in the account after 4 years? How much of this is interest? Type the amount in the account: $\$$ $\square$ (Round to the nearest dollar.)
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Solution

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Solution Steps

Step 1: Calculate Monthly Interest Rate and Total Months

The annual interest rate is \( 4.8\% \), which can be expressed as a decimal: \( 0.048 \). The monthly interest rate \( r \) is calculated as: \[ r = \frac{0.048}{12} = 0.004 \] The total number of months over 4 years is: \[ n = 4 \times 12 = 48 \]

Step 2: Calculate Future Value of the Annuity

Using the formula for the future value of an annuity: \[ FV = P \times \frac{(1 + r)^n - 1}{r} \] where \( P = 982 \), we find: \[ FV = 982 \times \frac{(1 + 0.004)^{48} - 1}{0.004} \approx 51851.2108 \] Rounding this to the nearest dollar gives: \[ FV \approx 51851 \]

Step 3: Calculate Total Deposits and Interest Earned

The total amount deposited over 4 years is: \[ \text{Total Deposits} = P \times n = 982 \times 48 = 47136 \] The interest earned is calculated as: \[ \text{Interest Earned} = FV - \text{Total Deposits} = 51851.2108 - 47136 \approx 4715.2108 \]

Final Answer

The amount in the account after 4 years is \( \boxed{51851} \) and the interest earned is approximately \( 4715.21 \).

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