Final answer:
To find the effective rate (APY) of a deposit at Bank of America with a principal of $50,000 and an 8% interest rate compounded quarterly, use the formula APY = (1 + rac{r}{n})ⁿ - 1. Plugging in the values, the APY is approximately 8.24%.
Step-by-step explanation:
To find the effective rate (APY), we can use the formula:
APY = (1 + rac{r}{n})ⁿ- 1
where r is the annual interest rate and n is the number of compounding periods in a year.
In this case, the principal amount is $50,000 and the interest rate is 8% (or 0.08). Since interest is compounded quarterly, n = 4. Plugging these values into the formula, we get:
APY = (1 + rac{0.08}{4})⁴ - 1 = (1 + 0.02)⁴⁻¹
Calculating this expression, we find the effective rate (APY) to the nearest hundredth percent is approximately 8.24%.