An investment company wants to hedge its $250 million worth of asset with duration equal to 7.18 years. The company wants to hedge the risk sheet with T-bond option contracts. The underlying bonds currently. have a duration of 8 years and a market value of $95,000 per $100,000 face value. Further, the delta of the options is 0.5 . What type of contract (call or put), and how many contracts should the company use? a. 3324 put contracts b. 3324 call contracts c. 4724 put contracts d. 4724 call contracts