Please solve ASAP

Question 5- Bonds and their Valuation: 1- Assume that you are considering the purchase of a 20-year, noncallable bond with an annual coupon rate of 9.5%. The bond has a face value of $1,000, and it makes semiannual interest payments. If you require an 8.4% nominal yield to maturity on this investment, what is the maximum price you should be willing to pay for the bond? 2 Khalifa Corporation's bonds make an annual coupon interest payment of 7.35%. The bonds have a par value of AED 1,000, a current price of AED 1,130, and mature in 12 years. What is the yield to maturity on these bonds? 3- McCue Inc.'s bonds currently sell for $1,250. They pay a $90 annual coupon, have a 25-year maturity, and a $1,000 par value, but they can be called in 5 years at $1,050. Assume that no costs other than the call premium would be incurred to call and refund the bonds, and also assume that the yield curve is horizontal with rates expected to remain at current levels on into the future. What is the difference between this bond's YTM and its YTC? Paragraph ie