its a financial markets and institustions questions

QUESTION 1: 1 Mark If you invest in a bond with maturity of 5 years and this bond pay you JD 50 on the last day of every week (m=52) knowing that the annual interest rate on your investment is 10 percent. How much your investment worth today? QUESTION 2: 1.5 Mark A 10-year Treasury bond pays a 7.5% coupon rate on semiannual basis. What is the bond's price if you know that the required return on this investment is 7% and you will receive the par value (face value) of $ 1000 in the last day of maturity? I QUESTION 3: 2.5 Mark If you are a stockholder in a firm that expects to experience supernormal growth over the next 3 years and they plan to increase the dividends by 10% in the following 3 years. After that the dividends are expected to grow at a constant rate of 10 percent. If you believe that a 15% required return is appropriate for you. What is this stock worth to you now if the firm paid last year a dividend of $10.00