Security:

AAA Corporate

AA Corporate

A Corporate

BBB Corporate

BB Corporate

Yield $(\%)$:

$6\mathrm{.}2$

$6\mathrm{.}4$

$6\mathrm{.}7$

$7\mathrm{.}0$

$7\mathrm{.}5$

Consolidated Insurance wants to raise $$35$ million in order to build a new headquarters. The company will fund this by issuing $10-$year bonds with a face value of $$1,000$ and a coupon rating of $6\%,$ paid semiannually. The above table shows the yield to maturity for similar $10-$year corporate bonds of different ratings. Which of the following is closest to how many more bonds Consolidated Insurance would have to sell to raise this money if their bonds received an A rating rather than an AA rating?

A$.1128$

B$.644$

C$.805$

D$.967$