Suppose you hold a diversified portfolio consisting of a $7500 investment in each of 20 different common stocks. The portfolio beta is equal to 1.12. Now suppose you have decided to sell one of the stocks in your portfolio with a beta equal to 1.0 for $7500 and to use these proceeds to buy another stock for your portfolio. Assume the new stocks beta is equal to 1.75. Calculate your portfolios new beta.