please help ASAP

You signed an initial $300,000, 30-years mortgage with BMO. The quoted rate was 6.075% (semi-annual compounding), monthly payments, fixed for 5 years. After exactly 5 years, you plan to re- new your mortgage. You are offered a new quoted rate of 7.1% (fixed, semi-annual compounding). What is your new monthly payment, if you re-finance the full outstanding amount for 25- years? Your new monthly payment will be Sally Saver invested $5000 into a fixed APR savings account 8 years ago. Today the account has a balance of $6499. Given that his account offered quarterly compounding of interest, the APR on this account is? (Note: Please retain at least 4 decimal places in your calculations and at least 2 decimal places in the final answer.) The APR on this account is % You hold 13 stocks in your portfolio. Each stock has the same weight. The portfolio beta is 1.27. If you sell one stock which has a beta of 1.20 and invest the proceeds in a new stock which has a beta of 0.98. What will be your new portfolio beta? (Please retain at least 4 decimal places in your calculations and at least 2 decimal places in the final answer.) The beta for the new portfolio will be