The equation In 1.09966 = ln e².⁵ʳ models the interest rate applied to a $7,500 investment in a continuously compounded interest savings account for 2.5 years. Solve for the interest rate, rounding to the nearest hundredth of a percent.
A. 0.09%
B. 9.49%
C. 0.40%
D. 3.80%