I need some help with my homework please. I need theses worked out.

Kahlil bought 100 shares of Cisco for $24.00 per share on January 1st, 2008. He received a dividend of $5.00 per share at the end of 2008 and sold his stock for $18.00 per share. What was Kahlil's realized return?

Assume that Ken has a choice between two deposit accounts. Account 1 has an annual percentage rate of 7.55 percent, but with interest compounded monthly. Account 2 has an annual percentage rate of 7.45 percent with interest compounded daily. Which account provides the highest effective annual return?