a detailed answer on all questions would be greatly appreciated!!

9. What is the present value of $2,000 to be received each year for the next 5 years, followed by $3,000 per year for 4 more years and $10,000 to be received in the tenth year, if the discount rate is 8%? 3 points 10. Suppose you are looking at a McBurger Corp. bond. It has a 9 percent coupon interest rate which is paid semiannually, and the par value is equal to $1,000. What is the price if the bond's required rate of return is 10% and it has 20 years to maturity? (6 pts) 11. Suppose a semi-annual bond has a coupon payment of 10%, a face value of $1,000, 15 years to maturity, and a price of $950. What is the yield to maturity of this bond? 4 points