$6-$ Boston Celtics has a bond outstanding with a yield to maturity of $16\mathrm{.}4\%$ which is trading at $$912\mathrm{.}00.$ The bond makes semiannual payments, has a $17-$year maturity, and was issued $2$ years ago. Given this information what's Boston Celtics bond current yield?

A$.7\mathrm{.}04$ percent

B$.7\mathrm{.}40$ percent

C$.10\mathrm{.}04$ percent

D$.14\mathrm{.}80$ percent

E$.16\mathrm{.}20$ percent

$7-$ The expected return on a portfolio:

I. can never exceed the expected return of the worst performing security in the portfolio.

II$.$ must be equal to or greater than the expected return of the best performing security in the portfolio.

III. is independent of the unsystematic risks of the individual securities held in the portfolio.

IV$.$ is not independent of the allocation of the portfolio amongst individual securities

A$.$ I and III only

B$.$ III and IV only

C$.$ I and II only

D$.$ I, II$,$ and III only

E$.$ I, III and IV only