Please show work without excel and include formula.

(5 points) A bond is selling for $919. The coupon rate is 7.8%. It has 18-years till maturity, with semi-annual compounding. What is the yield-to-maturity (YTM)? . (5 points) For the bond in problem I, what are the capital-gains yield and the current-yield? (10 points) For the bond in problem 8. O calculate the realized compound yield ("RCY") with a re-investment rate of 9%. What problem does the RCY correct and why is this important? If the investor believes interest rates are going to increase, is this a good bond choice? Think Price/Yield curve