19-4 You are considering some put and call options and have available the following data: Call ABC DEF Put ABC Time to expiration (months) Annual risk--Free rate Exercise price Option price Stock price $50 8% $50 $3 $45 $50 $45 $45 a. Comparing the two calls, should DEF sell for more or less than ABC? Why? b. What is the time value for ABC? c. Based on the information for the call and the put for ABC, determine if put-call parity is working