One year ago, you bought 3,000 shares of Katinka Inc. common stock for $48.55 per share using your margin account with a 50% initial margin requirement. Your broker charges 6.9% per year on margin loans. Today, the stock is selling for $52.66 per share. What is your return if you sell all of your shares and pay off your margin loan and interest? Submit your final answer as a percentage rounded to two decimal places (Ex. 0.00%).

Master Chegg,

Can you please explain it how you got the answer step by step. If possible using a basic calculator.

Trying to learn it not copy the answer.