You have a $2 million portfolio consisting of a $100,000 investment in each of 20 different stocks. the portfolio has a beta equal to 1.1. You are considering selling $100,000 worth of one stock which has a beta equal to 0.9 and using the proceeds to purchase another stock which has a beta equal to 1.4. What will be the new beta of your portfolio following this transaction?

please be specific as much as you can , print the formulas for each step please , thank you