Which of the following pairs of portfolios have the same payoff?
(A). a risk-free bond that promises $100 in three months;
(B). a short call and short put both struck at $100 with expiration date of three months and the underlying stock
(A). a risk-free bond that promises $100 in three months;
(B). a long call and short put both struck at $100 with expiration date of three months and the underlying stock
(A). a risk-free bond that promises $100 in three months;
(B). a short call and a long put both struck at $100 with expiration date of three months and the underlying stock
(A). a risk-free bond that promises $100 in three months;
(B). a long call and a long put both struck at $100 with expiration date of three months and the underlying stock.