QUESTION 8 An investor takes a short position of 10 tutures contracts at $90 on Day O. The initial margin is $10 per contract. The maintenance margin is $5 per contract. On Day 1, the futures settlement price is $94 and on Day 2 the futures settlement price is $91. At the end of Day 2, the cash ending balance in the margin account is close to O $120 O $80 O $110 $100 $90 QUESTION O All things equal, based on the Black Scholes model, the price of a cal option is positively related with the following factor except: the time to expiration the risk free rate. the stock price the stock volatility the exercise price