need help with these homework questions. please show work.

5-How many years left in a 10-year bond outstanding with 10% annual coupon rate, 12% annual required rate, and $908.73 in its fair value (future value-$1000.00)? a. 3 years b. 5 years c. 7 years d. 9 years e. None of the above Question6-10 are based on the following table Prob. 0.4 XX 17% 3.0% -6.0% -1.0% 4.0 8.0% 11.0% Recessiorn Below a -1.0% 0.0% Above av 3.0% 9.0% 2.0% 8.0% Boom 0.1 6- What are the expected returns of XX? a.-6.00% b. 0.80% c. 0.10% d. None of the above 7-What are the expected risk levels (standard deviations) of YY? a. 9.53% b, 2.60% C. 6.02% d. None of the above 8-What are the expected coefficients of variation of the above equities (XX, ZZ, YY)? a. 1.59 b. 3.25 c. 60.24 d. None of the above