Numeric 1 point Tessa deposited \( \$ 1,056.25 \) in a 4-year CD paying \( 6.01 \% \) compounded daily. How much more interest would she earn if the CD paid the same rate compounded continuously? Type your answer...
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To find how much more interest Tessa would earn if the CD paid interest compounded continuously instead of daily, we can use the formulas for each method. 1. **Daily Compounding:** - Formula: \( A = P \left(1 + \frac{r}{n}\right)^{nt} \) - Where: - \( A \) = the amount of money accumulated after n years, including interest. - \( P \) = principal amount (initial deposit). - \( r \) = annual interest rate (decimal). - \( n \) = number of times interest is compounded per year. - \( t \) = number of years the money is invested or borrowed. Using \( P = 1056.25 \), \( r = 0.0601 \), \( n = 365 \), and \( t = 4 \): \[ A = 1056.25 \left(1 + \frac{0.0601}{365}\right)^{365 \times 4} \approx 1056.25 (1.2614) \approx 1334.87 \] - Interest earned = \( A - P = 1334.87 - 1056.25 = 278.62 \) 2. **Continuous Compounding:** - Formula: \( A = Pe^{rt} \) - Where \( e \) is the base of the natural logarithm, approximately equal to 2.71828. Using the same values: \[ A = 1056.25 e^{0.0601 \times 4} \approx 1056.25 e^{0.2404} \approx 1056.25 \times 1.2712 \approx 1346.85 \] - Interest earned = \( A - P = 1346.85 - 1056.25 = 290.60 \) Now, to find the difference in interest earned: \[ \text{Difference} = 290.60 - 278.62 \approx 11.98 \] Thus, Tessa would earn approximately **$11.98** more interest if the CD paid the same rate compounded continuously.