Jenna holds a diversified $100,000 portfolio consisting of 10 stocks with $10,000 invested in each. The portfolio's beta is 1.12. Jenna plans to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.80. What will the portfolio's new beta be?

1.165

1.210

1.320

1.260

1.180