Many of the subdivisions of the cpt in which cardiovascular codes are found contain specific notes and guidelines. additional parenthetical notes are sometimes included with the codes themselves in this section. why is it important to pay attention to these notes?

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.