mark the only correct statement about options:

	a.	Being short a put generates a premium for the writer of the put with an unlimited downside potential
	b.	the payoff of a stock plus a put is identical to the payoff resulting from being long a European call plus a zero-coupon bond (whose face value equals the strike price)
	c.	Being short a call generates a premium for the writer of the call with a limited downside potential
	d.	the payoff of a stock plus a call is identical to the payoff resulting from being long a European put plus a zero-coupon bond (whose face value equals the strike price)