Two investment options are as follows.

Choice 1: Payments of $ 2550 now, $ 3250 a year from now, and $ 4040 two years from now.
Choice 2: Three yearly payments of $ 3250 starting now.
Assume interest is compounded continuously. What is the interest rate that would make both choices equally lucrative?

The interest rate that would make both choices equally lucrative is 8.2%.