Problem 14-20 Hedging Interest Rate Risk (LO4, CFA2) Suppose you want to hedge a S160 million bond portfolio with a duration of 51 years using 10-year Treasury note futures with a duration of 6.6 years, a futures price of 105, and 6 months to expiration. The multiplier on Treasury note futures is $100,000. How many contracts do you buy or sell? (Do not round intermediate calculations, Round your answer to the nearest whole number) Number of contracts 1,005 to sell to buy