You are considering which exercise price to choose when purchasing a call option of Tyson Foods, Inc. You are quoted the premium of two separate exercise prices. Share price: $48.71 Interest rate: 5% Time to expiration 1-year Exercise price: $50 Call quoted exercise premium: $3.50 Put premium at exercise price: $2.41 Exercise price: $52 Call quoted exercise premium: $3.00 Put premium at exercise price: $4.31 

a) According to put-call parity which exercise price offers the most reliable outcome? 

b) According to put-call parity which exercise price offers the best opportunity to make a profit