Problem 6.1. (2 points) It is never optimal to exercise an American call option on a non-dividend paying stock early. True or false? Problem 6.2. (2 points) The price of a European call option on a non-dividend-paying stock is equal to the price of an otherwise identical American call option. True or false? Problem 6.3. (2 points) American put options are at least as valuable as otherwise identical E options. True or false? ProhlemRd (f