plz solve it within 30-40 mins I'll give you multiple upvote

3. Which of the following gives the highest annual effective rate of interest? Show your work. (a) interest rate of 8% a year convertible quarterly (b) discount rate of 8% a year (c) force of interest of 8% a year (d) simple interest of 2% a quarter (e) discount rate of 8% a year convertible monthly Demonstrate that your choice is best