1. A european call option gives the buyer the right to _________.
2. The __________ was established to protect investors from losses if their brokerage firms fail.
3. All else equal, call option values are _____ if the _____ is lower.
4. All else the same, an american-style option will be ______ valuable than a ______ style option.
5. Sinking funds are commonly viewed as protecting the _______ of the bond.
6. The yield on tax-exempt bonds is ______.