Suppose you invested $100,000 in an account for 20 years that paid 2 percent compound interest every quarter. To have the same ending balance after 30 years, what annual rate of simple interest must you have earned?

A) 13.89 percent

B) 12.92 percent

C) 12.04 percent

D) 11.15 percent

I'm using a BA II Plus, how can I solve it on that, also please write out the steps for calculating by hand.