A firm with a bond credit-rating of AA is _____________ to default on their issued bonds compared to another firm with a bond credit-rating of B. Holding face value, coupon rate, and time-to-maturity constant, the market will require _____________ yield to maturity for the BB bonds relative to the AA bonds.

A. A firm with a bond credit-rating of AA is more likely, equally likely, less likely?

B. the market will require a higher, an equal, a lower yield to maturity?