Person D wishes to buy a T-bond futures contract with a price of 91% of the face value of $90,000. What will be the obligation of Person D if he decides to buy this future contract. The future contact has 4 year's maturity period. If the price is expected to fall by 95% after 4 years, determine the gain or loss earned by the D through this transaction? A. The obligation is $81,900.00 and the gain or loss if fall in price is $3,600.00. B. The obligation is $85,500.00 and the gain or loss if fall in price is $10,971.00. C. The obligation is $85,500.00 and the gain or loss if fall in price is $4,500.00 D. The obligation is $74,529.00 and the gain or loss if fall in price is $8,100.00