Use the put-call parity to explain:

A) how to use a portfolio of call option, the underlying asset and zero-coupon bond to replicate a put option. (2 marks)

B) how to use zero-coupon bond and stock options to replicate a stock. (2 marks)

C) how to use stock and zero-coupon bond to replicate a portfolio that longs a call and shorts a put. (1 mark)